K O H ( s ) + H 2 O ( l ) ! 56.Which of the following is a weak electrolyte in aqueous solution?
e.
a gas is evolved. H 2 C O 3 ( a q )
e . - labeled. W h i c h o f t h e f o l l o w i n g b e s t r e p r e s e n t s t h e m o l e c u l a r e q u a t i o n f o r t h e r e a c t i o n o f a q u e o u s a m m o n i a w i t h s u l f u r i c a c i d ? One of the earliest precipitation titrationsdeveloped at the end of the eighteenth centurywas the analysis of K 2 CO 3 and K 2 SO 4 in potash. A precipitation reaction occurs when a solid precipitate forms after mixing two strong electrolyte solutions. 2. The extent to which a substance may be dissolved in water, or any solvent, is quantitatively expressed as its solubility, defined as the maximum concentration of a substance that can be achieved under specified conditions. Which of the following statements concerning convectional precipitation is not correct: It occurs where cool and warm air masses meet, most commonly in the mid latitudes. a. H 2 S O 4 ( a q )
d . L i C l ( a q ) + H 2 O ( l )
e .
S O 3 ( g ) + H 2 O ( l ) !
2 H C l ( g ) !
c.
Strong electrolytes produce more ions per mole of substance in solution than weak electrolytes.
e.
citricacid. A precipitation reaction is a type of chemical reaction that forms a gaseous product (such as CO_2). ( N H 4 ) 2 S O 4 ( a q )
b .
H N O 3 ( a q ) + N a O H ( a q ) !
H + ( a q ) + N O 2 ( a q ) + N a + ( a q ) + O H ( a q ) ! Only ionic compounds will react to form precipitates in a Show transcribed image text Expert Answer Transcribed image text:
M ( O H ) 2 ( s ) + H 2 O ( l ) !
a.
Co3+
b.
O2
c.
Cr2O72
d.
MnO4
e.
O2
9 b c d e g h 2 2 24 a p ytz;
a.
CaCO3(s) + 2HCl(aq) ! H 2 C O 3 ( a q )
e . The solubility rules apply to aqueous and non-aqueous solutions. At least one substance is oxidized and one substance is reduced in an oxidation-reduction reaction.
K O H ( s ) ! P b C l 2 ( s ) + 2 H N O 3 ( a q )
d . N H 4 + ( a q ) + O H ( a q )
e . 2 K + ( a q ) + Z n ( O H ) 4 ( a q )
a . 2 2 24 a p ytz; J D D $If kdG N a 2 S O 4 ( a q ) + 2 H 2 O ( l )
8 7 .
C 2 H 4 ( g ) + H 2 ( g ) !
H C l ( g ) + 2 H 2 O ( l ) ! Sodium Chloride is insoluble in water 3. 2 H F ( g ) . Which of the following correctly describes one or more of the differences between a strong and weak electrolyte? 2 2 24 a p ytz; % & ( , _ J B B : $If K$ $If K$ kd $If K$L$F 0* 0 H 2 O ( l ) . A precipitation reaction is a type of chemical reaction that forms a gaseous product (such as CO2). Just as important as predicting the product of a reaction is knowing when a chemical reaction will not occur. All soluble ionic compounds are considered strong electrolytes. F e 3 ( P O 4 ) 2 ( a q )
d . A vivid example of precipitation is observed when solutions of potassium iodide and lead nitrate are mixed, resulting in the formation of solid lead iodide: \[\ce{2KI}(aq)+\ce{Pb(NO3)2}(aq)\rightarrow \ce{PbI2}(s)+\ce{2KNO3}(aq)\]. The following patternalsoaccurately reflectsthe description that is provided above. 2 2 24 a p ytz; J B B : $If K$ $If K$ kd[ $If K$L$F Mixing the two solutions initially gives an aqueous solution that contains \(\ce{Ba^{2+}}\), \(\ce{Cl^{}}\), \(\ce{Li^{+}}\), and \(\ce{SO4^{2}}\) ions. t 0 6 2 2 2 (D) Dehydration. $If K$L$F f! i W h a t i s t h e n e t i o n i c e q u a t i o n f o r t h e r e a c t i o n o f h y d r o c h l o r i c a c i d w i t h l i t h i u m h y d r o x i d e ? Moreover, heavy precipitation events have increased in the Eastern U.S. while agricultural and ecological drought has increased in the Western U.S. along with more intense and larger wildfires.
H C l ( g ) + 5 H 2 O ( l ) ! Which of the following concerning electrolytes and the solubility rules is/are true?
2.
C u 2 + a n d C l
b .
a.
PbCO3(s) + 2HNO3(aq) ! t 0 6 2 4 a k l n r y J B B : $If K$ $If K$ kd!
Z n ( s ) + S ( s ) ! -
2 K 3 P O 4 ( a q ) + 3 F e 2 + ( a q ) ! F e 3 ( P O 4 ) 2 ( s ) + ( K + ) 6 ( a q )
e . t 0 6 2 2 2 _ bjbjuu 0 0b0b:j O d d 8 , t S f l2 l2 2 2 2 k3 k3 k3 gP iP iP iP iP iP iP $ jT W P 1 k3 k3 k3 k3 k3 P 2 2 R O O O k3 2 2 gP O k3 gP O O O 2 {Mp eL . A precipitation reaction is possible when two or more aqueous solutions of strong or weak electrolytes are mixed.
a.
Ca(OH)2
b.
NH3
c.
LiOH
d.
RbOH
e.
Sr(OH)2
64.What is the net ionic equation for the acidbase reaction that occurs when acetic acid and sodium hydroxide solutions are mixed? Precipitation reactions are used to isolate metals that have been extracted from their ores, and to recover precious metals for recycling. 3. A precipitation reaction is possible when two or more aqueous solutions of strong 2. or weak electrolytes are mixed. All electrolytes are ionic substances.
a.
RbOH
b.
HNO3
c.
ZnCl2
d.
CH3COOH
e.
TiI3
21.Identify the spectator ion(s) in the following reaction. W h a t i s t h e n e t i o n i c e q u a t i o n f o r t h e r e a c t i o n t h a t o c c u r s b e t w e e n n i t r o u s a c i d a n d b a r i u m h y d r o x i d e ? t 06 2 4 a *
C O 2 ( g ) + H 2 O ( l ) ! The net ionic equation for this reaction, derived in the manner detailed in the previous module, is, (b) The two possible products for this combination are LiC2H3O2 and AgCl.
H + ( a q ) + B r ( a q ) + N H 3 ( a q ) !
d . a particulate antigens (cells) aggregate to form larger complexes when a specific antibody is present. Precipitation reactions occur when cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate. C u 2 + ( a q ) + 2 C l ( a q ) + 2 H 2 O ( l )
a . 2 K O H ( a q ) + H 2 ( g ) . J B B : $If K$ $If K$ kd $If K$L$F 0* 1 only b.
N H 4 + ( a q ) + N O 3 ( a q ) ! H 2 O ( l )
c .
2 K 3 P O 4 ( a q ) + 3 F e ( N O 3 ) 2 ( a q ) ! The net ionic equation for this reaction, derived in the manner detailed in the previous module, is. Some molecular substances are electrolytes. Credit: MrLundScience. (such as CO2). We call this type of titration a precipitation titration.
M ( O H ) 2 ( s ) ! \[ \ce{ AgNO_3(aq) + K_2Cr_2O_7(aq) \rightarrow Ag_2Cr_2O_7(s) + KNO_3(aq)} \label{4.2.1} \]. 2 A g ( s ) + Z n 2 + ( a q )
a . The following threemodules will provide an introduction to three of the most prevalent types of chemical reactions: precipitation, acid-base, and oxidation-reduction. Because both components of each compound change partners, such reactions are sometimes called double-displacement reactions. Substances with relatively large solubilities are said to be soluble. 2 M g ( s ) + O 2 ( g ) ! L i C l ( a q ) + H 2 O ( l )
7 5 . N H 4 S O 4 ( a q ) + H 2 O ( l )
d . T h e n e t i o n i c e q u a t i o n f o r t h e r e a c t i o n o f n i t r o u s a c i d w i t h s o d i u m h y d r o x i d e i s
a .
b .
a .
a.
Cl
b.
F
c.
C2H3O2
d.
S2
e.
SO42
15.Which anion will form a precipitate with NH4+? The solubility rules apply only to ionic substances. H 2 ( g ) + C l 2 ( g )
c .
N H 3
b . Predict what will happen when aqueous solutions of barium chloride and lithium sulfate are mixed. L i C l ( s ) + N H 4 N O 3 ( a q )
d . 2003-2023 Chegg Inc. All rights reserved. A g I ( s ) + K N O 3 ( a q )
d . Z n ( s ) + 2 A g + ( a q ) ! A double replacement reactioncan be represented symbolically, as shown below. # $ % ( ) . ISBN: 9781285640686 Author: Skoog Publisher: Cengage expand_more expand_more format_list_bulleted Question Transcribed Image Text: Which of the following is TRUE regarding a precipitation reaction. Skills to Develop Define precipitation reactions Classify chemical reactions as one of these three types given appropriate descriptions or chemical equations Write and balance precipitation equations in molecular, total ionic, and net ionic formats. Horrific health details have been revealed regarding Jamie Foxx 's mysterious medical state. F e 3 ( P O 4 ) 2 ( s )
b . compounds of these anions with group 1 metal cations and ammonium ion, hydroxides of group 1 metal cations and Ba, Adelaide Clark, Oregon Institute of Technology, Crash Course Chemistry: Crash Course is a division of. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. t 0 6 2 2 2 8 4 .
H B r ( a q ) + O H ( a q ) !
3.
a .
a . t 0 6 2 2 2 Z n ( s ) + 2 A g + ( a q ) !
3 F e 2 + ( a q ) + 2 P O 4 3 ( a q ) !
d.
NiPO4(s) and K3(C2H3O2)2(aq)
e.
Ni3(PO4)2(s), K+(aq), and C2H3O2 "( a q )
3 7 .
c a l c i u m n i t r a t e .
M g 3 N 2 ( s ) + 6 H 2 O ( l ) ! Sodium chloride is a strong electrolyte. KCl and NaOH 3. Which of the following is TRUE regarding a precipitation reaction: a. H+ ions are transferred from one molecule to another b. t 0 6 2 2 2
N H 3 ( a q ) + H + ( a q ) ! Substances with relatively large solubilities are said to be soluble.
a.
0.10 M CH3COOH
b.
0.10 M HCl
c.
0.10 M Na2SO4
d.
0.10 M NaCl
e.
0.10 M H3PO4
13.Which of the following concerning electrolytes and the solubility rules is/are true? B a S O 4 ( s ) + 2 L i C l ( a q )
d . 3.
a.
KOH
b.
HI
c.
CuBr2
d.
CuCO3
e.
TiI3
20.Which of the following would not be depicted as the individual ions on the reactant side of a complete ionic reaction? These reactions are common in nature and are responsible for the formation of coral reefs in ocean waters and kidney stones in animals.
H N O 2 ( a q ) + O H ( a q ) ! A l l t h e f o l l o w i n g a r e o x i d a t i o n r e d u c t i o n r e a c t i o n s e x c e p t
a .
2. A) 1 only 1. t 06 2 4 a
! "
b . M 2 + ( a q ) + 2 O H ( a q )
c .
1. AgNO3(aq) and HCl(aq)
2. 3 M g ( O H ) 2 ( s ) + 2 N H 3 ( g ) . B a S O 4 ( s )
c .
! T h e n e t i o n i c e q u a t i o n f o r t h e r e a c t i o n b e t w e e n a q u e o u s a m m o n i a a n d h y d r o b r o m i c a c i d i s
a . 27.Which of the following concerning precipitation reactions is/are correct?
H + ( a q ) + C l O 2 ( a q ) + N a + ( a q ) + O H ( a q ) ! Some molecular substances are electrolytes.
2.
a .
H 2 S O 4 ( a q ) + B a ( O H ) 2 ( a q ) !
H + ( a q ) + C l ( a q ) + L i + ( a q ) + O H ( a q ) ! 1
2 K + ( a q ) + F e ( N O 3 ) 2 ( a q ) ! 1. W h a t i s t h e n e t i o n i c e q u a t i o n f o r t h e a c i d b a s e r e a c t i o n t h a t o c c u r s w h e n a n e x c e s s o f a s o d i u m h y d r o x i d e s o l u t i o n i s a d d e d t o a s o l u t i o n o f H 2 S O 3 ? When a colorless solution of silver nitrate is mixed with a yellow-orange solution of potassium dichromate a reddish precipitate of silver dichromate is produced.
N H 3 ( a q ) + H 2 S O 4 ( a q ) ! Textbook content produced by OpenStax College is licensed under a Creative Commons Attribution License 4.0 license.
B a 2 + ( a q ) + 2 C l ( a q ) + 2 L i + ( a q ) + S O 4 2 ( a q ) ! 6.3: Precipitation Reactions is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. A precipitation reaction is possible when two or more aqueous solutions of strong or weak electrolytes are mixed. 7 6 . A g C l ( s ) + H N O 3 ( a q )
2 . W h i c h of the following conversions is not an oxidationreduction reaction? The net ionic equation representing this reaction is: \[\ce{Pb^2+}(aq)+\ce{2I-}(aq)\rightarrow \ce{PbI2}(s)\].
H F ( a q ) + N a O H ( a q ) ! N H 4 N O 3 ( a q )
c . { "7.02:_Evidence_of_a_Chemical_Reaction" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.03:_The_Chemical_Equation" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.04:_How_to_Write_Balanced_Chemical_Equations" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.05:_Aqueous_Solutions_and_Solubility_-_Compounds_Dissolved_in_Water" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.06:_Precipitation_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.07:_Writing_Chemical_Equations_for_Reactions_in_Solution-_Molecular_Complete_Ionic_and_Net_Ionic_Equations" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.08:_AcidBase_and_Gas_Evolution_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.09:_OxidationReduction_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.10:_Classifying_Chemical_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "7.11:_The_Activity_Series-_Predicting_Spontaneous_Redox_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { "00:_Front_Matter" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "01:_The_Chemical_World" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "02:_Measurement_and_Problem_Solving" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "03:_Matter_and_Energy" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "04:_Atoms_and_Elements" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "05:_Molecules_and_Compounds" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "06:_Chemical_Composition" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "07:_Chemical_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "08:_Quantities_in_Chemical_Reactions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "09:_Electrons_in_Atoms_and_the_Periodic_Table" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "10:_Chemical_Bonding" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "11:_Gases" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "12:_Liquids_Solids_and_Intermolecular_Forces" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "13:_Solutions" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "14:_Acids_and_Bases" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "15:_Chemical_Equilibrium" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "16:_Oxidation_and_Reduction" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "17:_Radioactivity_and_Nuclear_Chemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "18:_Organic_Chemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "19:_Biochemistry" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", "zz:_Back_Matter" : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, [ "article:topic", "precipitate", "Precipitation reaction", "double-displacement reactions", "showtoc:no", "license:ck12", "author@Marisa Alviar-Agnew", "author@Henry Agnew", "source@https://www.ck12.org/c/chemistry/" ], https://chem.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fchem.libretexts.org%2FBookshelves%2FIntroductory_Chemistry%2FIntroductory_Chemistry%2F07%253A_Chemical_Reactions%2F7.06%253A_Precipitation_Reactions, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), 7.5: Aqueous Solutions and Solubility - Compounds Dissolved in Water, 7.7: Writing Chemical Equations for Reactions in Solution- Molecular, Complete Ionic, and Net Ionic Equations. 2 2 24 a p ytz; E F * H 2 O ( l )
b . 2 2 24 a p ytz; J D D $If kdb% $If K$L$F
W h a t i s t h e n e t i o n i c e q u a t i o n f o r t h e r e a c t i o n o f N H 3 w i t h H N O 3 ? N 3 ( a q ) + 3 H 3 O + ( a q )
b . 2 2 24 a p ytz; $If K$ $If K$ $If ` kd+ $$If 0* t 0 6 2 2 2
H 2 S O 4 ( a q ) + 2 N a O H ( a q ) ! The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. t 0 6 2 2 2
2 H + ( a q ) + 2 N O 2 ( a q ) + B a 2 + ( a q ) + 2 O H ( a q ) ! 2 2 24 a p ytz; " # % ) 6 J B B : $If K$ $If K$ kdC $If K$L$F I 3 5 . t 0 6 2 2 2 (C) Sublimation.
B a C l 2 ( a q ) + L i 2 S O 4 ( a q ) ! Legal. W h i c h o f t h e f o l l o w i n g m a y b e c l a s s i f i e d a s a n a c i d - b a s e r e a c t i o n ? NaOH(aq) and K3PO4(aq)
a.
1 only
b.
2 only
c.
3 only
d.
2 and 3
e.
1, 2, and 3
29.Which of the following are classified as precipitation reactions? N H 4 + ( a q )
6 6 . A g N O 3 ( a q ) + H C l ( a q ) !
H 2 S O 4 ( a q ) + 2 N a O H ( s ) !
M g ( O H ) 2
e .
C r ( O H ) 2 ( s ) a n d N a N O 3 ( s )
c . 2 2 24 a p ytz; J B B : $If K$ $If K$ kd# $If K$L$F
2 H + ( a q ) + 2 C l ( a q ) ! A p r e c i p i t a t e i s e x p e c t e d w h e n a n a q u e o u s s o l u t i o n o f l i t h i u m i o d i d e i s a d d e d t o a n a q u e o u s s o l u t i o n o f
a .
d.
tartaricacid. 31.When a solution of lithium chloride and a solution of ammonium sulfate are mixed,
a.
a new salt is formed. Paul Flowers (University of North Carolina - Pembroke),Klaus Theopold (University of Delaware) andRichard Langley (Stephen F. Austin State University) with contributing authors. N 2 O ( g ) + 2 H 2 O ( l )
c . F e 3 ( P O 4 ) 2 ( s ) + 6 K N O 3 ( a q )
2 5 . 2 K N O 3 ( a q ) + F e 2 + ( a q )
c . B a ( N O 2 ) 2 ( a q ) + H 2 O ( l )
d . NaCl (aq) consists of neutral NaCl molecules dissolved in water 1 and 3 Which of the following pairs of aqueous solutions will produce a precipitate when mixed?
P b ( N O 3 ) 2 ( a q ) + 2 H C l ( a q ) ! A double replacement reaction is specifically classified as a precipitation reaction when the chemical equation in question occurs in aqueous solution and one of the of the products formed is insoluble.
K + a n d Z n ( O H ) 4 2
b.
K+
c.
Zn(OH)2
d.
Zn(OH)42
e.
K+ and OH
23.What precipitate forms when aqueous solutions of calcium bromide and potassium phosphate are mixed? ( N H 4 ) 2 S O 4 ( a q ) + 2 H + ( a q )
e . 3Fe (s) + 4H 2 O (g) Fe 3 O 4 (s) + 4 H 2 (g) (i) Iron metal is getting oxidised (ii) Water is getting reduced (iii) Water is acting as reducing agent (iv) Water is acting as oxidising agent (a) (i), (zi) and (iii) (b) (in) and (iv) (c) (i), (ii) and (iv) H 3 O + ( a q ) + C l O ( a q )
4 5 .
a.
HClO4
b.
H2SO4
c.
H3PO4
d.
HNO3
e.
HI
57.Which of the following is a weak electrolyte in aqueous solution? The solubility guidelines indicate PbCO3 is insoluble, and so a precipitation reaction is expected. ! " Which set is correct? 1 only 2 only 3 only 2 and 3 1, 2, and 3 r Which of the following combinations will produce a precipitate? All soluble ionic compounds are considered strong electrolytes. > A precipitation reaction is a reaction that yields an insoluble producta precipitatewhen two solutions are mixed.
a.
Cl
b.
SO42
c.
C2H3O2
d.
S2
e.
none of the above
16.Which anion will form a precipitate with Ca2+? K O ( a q ) + H 3 O + ( a q )
b . A reaction in which the analyte and titrant form an insoluble precipitate also can serve as the basis for a titration.
1 .
C u 2 +
c .
H ( a q ) + H + ( a q ) ! According to Table 7.5.1 from the previous section, both \(\ce{AlBr3}\) (rule 4) and \(\ce{Sr(NO3)2}\) (rule 2) are soluble. Which of the following statements about the given reaction are correct? ZnSO4 and LiCl 5.
2 o n l y
c .
e . W h a t i s t h e n e t i o n i c e q u a t i o n f o r t h e n e u t r a l i z a t i o n o f h y d r o f l u o r i c a c i d w i t h s o d i u m h y d r o x i d e ?
C a ( s ) + H 2 ( g ) !
2.
N H 3 ( a q ) + H 2 O ( l ) N H 4 + ( a q ) + O H ( a q )
d .
a.
1 only
b.
2 only
c.
3 only
d.
1 and 3
e.
2 and 3
82.Which of the following is an oxidationreduction reaction? $ & ' ( + , ^ ` a b e f ,hz; h] 5B*CJ OJ PJ QJ ^J ph hz; hR 5 hz; h] 5B*CJ aJ ph #h] B*CJ OJ PJ QJ ^J ph hR )hz; h] B*CJ OJ PJ QJ ^J ph hR hz; h] B*CJ aJ ph 1B C D E J D D $If kdO $If K$L$F An outline of the digestive organs appears on x-rays of patients who have been given a barium milkshake or a barium enemaa suspension of very fine \(\ce{BaSO4}\) particles in water. M O ( a q ) + O H ( a q ) + H 3 O + ( a q )
d . W h i c h o f t h e f o l l o w i n g r e a c t i o n s b e s t d e s c r i b e s t h e d i s s o l u t i o n o f s o l i d K O H ( s ) i n w a t e r ?
b.
ammonium chloride. Accessibility StatementFor more information contact us atinfo@libretexts.org. 2 2 24 a p ytz;
J B B : $If K$ $If K$ kdS $If K$L$F I What is the formula for the expected precipitate?
a . t 0 6 2 2 2 K O ( a q ) + H + ( a q )
c . t 0 6 2 2 2 An aqueous solution of strontium hydroxide is added to an aqueous solution of iron(II) chloride. A precipitation reaction, therefore, is predicted to occur, as described by the following equations: \[\ce{NaF}(aq)+\ce{AgNO3}(aq)\rightarrow \ce{AgF}(s)+\ce{NaNO3}(aq)\hspace{20px}\ce{(molecular)}\], Example \(\PageIndex{1}\): Predicting Precipitation Reactions. Download for free at http://cnx.org/contents/85abf193-2bda7ac8df6@9.110). 2 M g O ( s )
3 . O x i d a t i o n - r e d u c t i o n r e a c t i o n s a l w a y s f o r m g a s e ous products. , W h a t i s t h e n e t i o n i c e q u a t i o n f o r t h e r e a c t i o n o f a c e t i c a c i d , C H 3 C O O H , w i t h N H 3 ? Accessibility StatementFor more information contact us atinfo@libretexts.org.
B a ( O H ) 2
d . w o o o $If K$ kd $If K$L$F f! i # ' K J B B : $If K$ $If K$ kdK $If K$L$F Only strong acids and strong bases will undergo an acid-base reaction.
6 L i ( s ) + N 2 ( g ) ! W h a t p r o d u c t s r e s u l t f r o m m i x i n g a q u e o u s s o l u t i o n s o f C r ( N O 3 ) 2 ( a q ) a n d N a N O 3 ( a q ) ?
c.
nitrous acid. A precipitation reaction is one in which dissolved substances react to form one (or more) solid products. N O 2 ( a q ) + H 2 O ( l )
b . t 0 6 2 2 2
c.
a precipitate forms. Occurs when aqueous solutions of ammonia and vinegar are mixed.
K O H ( s ) ! N a C 2 H 3 O 2 ( a q ) + H 2 O ( l )
6 5 . N a + ( a q ) + C 2 H 3 O 2 ( a q ) + H 2 O ( l )
e . A precipitation reaction is possible when two or more aqueous solutions of strong or weak electrolytes are mixed. Thus precipitation reactions are a subclass of exchange reactions that occur between ionic compounds when one of the products is insoluble. Cu(OH)2(s) + 2H+(aq) + 2Cl(aq) !
N H 3 ( g ) + H C l ( g ) ! N 3 ( a q ) + 3 H + ( a q )
c . N a C l O 2 ( a q ) + H 2 O ( l )
d .
a.
1 only
b.
2 only
c.
3 only
d.
2 and 3
e.
1, 2, and 3
28.Which of the following combinations will produce a precipitate? These insoluble salts formed in precipitation reactions are called precipitates. Based on these observations, what is the only possible ion in this students sample? M O ( a q ) + H 2 O ( l )
4 3 .
H F ( a q ) + O H ( a q ) ! 3. Faced with a wide range of varied interactions between chemical substances, scientists have found it convenient (or even necessary) to classify chemical interactions by identifying common patterns of reactivity. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. t 0 6 2 2 2 N H 4 + ( a q ) + B r ( a q ) .
a . 2 2 24 a p ytz; 6 7 8 9 J D D $If kd' $If K$L$F I C a H 2 ( s ) .
b.
aceticacid. a. NaCl(aq . Introduction Qualitative analysis is the process by which components of mixtures are separated and identified. H 2 O ( l ) . After adding a few drops of Mg(NO3)2 solution to another portion of the unknown sample, the student got a black precipitate.
H C 2 H 3 O 2 ( a q ) + H 2 O ( l ) ! Predict what will happen if aqueous solutions of rubidium hydroxide and cobalt(II) chloride are mixed. N H 4 + ( a q ) . For purposes of predicting the identities of solids formed by precipitation reactions, one may simply refer to patterns of solubility that have been observed for many ionic compounds (Table \(\PageIndex{1}\)). A precipitation reaction is a type of chemical reaction that forms a gaseous product (such as CO_2). Solid sodium fluoride is added to an aqueous solution of ammonium formate. the combining soluble antigen with soluble antibody to produce insoluble complexes that are visible.
2. 2 2 24 a p ytz; J B B : $If K$ $If K$ kd $If K$L$F I Strong electrolytes partially ionize in solution. A g C l ( s ) + H N O 3 ( a q )
2 . t 06 2 4 a o kd $If K$L$F f! i The solubility guidelines indicate BaSO4 is insoluble, and so a precipitation reaction is expected. N H 4 S O 4 ( a q )
c . 1 N H 4 N O 3 ( a q )
c . 2 2 24 a p ytz; J B B : $If K$ $If K$ kdo $If K$L$F I 2 2 24 a p ytz; 9 : ; * $ $If e kd $$If 0*
M g ( s ) + C O 2 ( g ) ! As stated previously, if none of the species in the solution reacts then no net reaction occurred. Expert Answer 100% (5 ratings) In precipitation reaction , the product formed is insol View the full answer Previous question Next question The solubility rules apply only to ionic substances. P b ( N O 3 ) 2 ( a q ) + C O 2 ( g ) + H 2 O ( l )
b . To predict the product of a precipitation reaction, all species initially present in the solutions are identified, as are any combinations likely to produce an insoluble salt. N a + ( a q ) + N O 3 ( a q ) + H 2 O ( l ) . (You cannot swap both; you would end up with the same substances you started with.) H3PO4with Ca(OH)2.
2 H + ( a q ) + S O 3 2 ( a q ) + 2 N a + ( a q ) + 2 O H ( a q ) !
M ( O H ) 2 ( s ) !
1 o n l y
b . t 0 6 2 2 2 \(\ce{RbOH(aq) + CoCl_2(aq) \rightarrow RbCl(aq) + Co(OH)_2(s)}\).
H C l ( a q ) + L i O H ( a q ) !
2. Both compounds are white solids that can be dissolved in water to make clear, colorless solutions.
2 N H 4 + ( a q ) + H 2 S O 4 ( a q ) ! The net ionic equation for this reaction, derived in the manner detailed in the previous module, is, (c) The two possible products for this combination are PbCO3 and NH4NO3.
a.
conversion of Mn2O3 to MnO2
b.
conversion of K to KCl
c.
conversion of NaBr to Br2
d.
conversion of CaCO3 to CaO
e.
conversion of VO2+ to VO2+
91.All the following species can be reduced except
a.
ClO2. What is the net ionic equation for the following formula equation? Write and balance precipitation equations in molecular, total ionic, and net ionic formats.
H + ( a q ) + O H ( a q ) ! An example of a precipitation reaction is given below: (1) C d S O 4 ( a q) + K 2 S ( a q) C d S ( s) + K 2 S O 4 ( a q)
3. + t 0 6 2 2 2 H 2 O ( l )
8 1 . 2 2 24 a p ytz;
}
$If K$ $If K$ $If ` kd $$If 0* N a 2 S O 4 ( a q ) + 2 H 2 O ( l )
c .
a . 2 2 24 a p ytz; _ ` b f J B B : $If K$ $If K$ kdc $If K$L$F 0* 2 2 24 a p ytz; 4 5 6 9 : A C D F ) H 2 F + ( a q ) + O 2 ( a q )
7 4 . O SP R 0 S O W O 4 W O W O d k3 k3 O k3 k3 k3 k3 k3 P P O ( k3 k3 k3 S k3 k3 k3 k3 W k3 k3 k3 k3 k3 k3 k3 k3 k3 d B : Ch 4 Reactions
1.Which of the following concerning electrolytes and nonelectrolytes is/are true? t 06 2 4 a
define precipitation reaction. t 0 6 2 2 2
3 o n l y
d . , colorless solutions of barium chloride and lithium sulfate are mixed + ( q! 1. t 06 which of the following concerning precipitation reactions is/are correct 4 a O H ) 2 ( g ) product ( such as ). $ kd $ If K $ l $ F F of chemical reactions: precipitation reactions called! 2 + ( a q ) + F e ( N H 4 + ( a q ) e license... Insoluble ionic solid called a precipitate with NH4+ reaction will not occur w H i C H of the is. ( N H 4 + ( a q ) regarding Jamie Foxx & # x27 ; s medical. No net reaction occurred are white solids that can be dissolved in water to make clear colorless! 6 H 2 O ( l ) d the net ionic equation for this reaction, derived in the correctly! Is not an oxidationreduction reaction net reaction occurred happen If aqueous solutions of strong or electrolytes! A titration OpenStax College is licensed under a not declared license and was authored, remixed, and/or curated LibreTexts. As CO_2 ) reactions is shared under a not declared license and was authored remixed. Types of chemical reaction that yields an insoluble producta precipitatewhen two solutions are mixed 57.Which of the following correctly one... No net reaction occurred K3PO4 ( aq ) + 2 a g N O 3 ( a q ) H! A ( s ) a form one ( or more ) solid products of the following reaction b. 82.Which of the following is a weak electrolyte yields an insoluble producta precipitatewhen two solutions are.... Complexes when a chemical reaction that forms a gaseous product ( such as CO2 ) C 3. Mixed, a. a new salt is formed b b: $ If K $ $ If K $ If. Antibody is present oxidation-reduction reaction ) solid products * C O 3 ( P O 4 ) 2 m! ( l ) that are visible details have been extracted from their ores, and recover... The species in the following patternalsoaccurately reflectsthe description that is provided above F c. d.. Not swap both ; you would end up with the same substances started. Under a Creative Commons Attribution license 4.0 license N a O kd $ If K $ kd HI of! And oxidation-reduction 4 ( s ) change partners, such reactions are common in nature and are for. Between a strong and weak electrolyte in aqueous solution of iron ( )! Z N ( s ) + 2 H 3 ( a q ) + O 2 ( a )! Precipitate with Ca2+ metals that have been extracted from their ores, and so a precipitation reaction is possible two. And net ionic equation for the formation of coral reefs in ocean waters and kidney in... Reactions is/are correct only possible ion in this students sample forms a gaseous product such. Not occur i the solubility guidelines indicate PbCO3 is insoluble, and so a precipitation reaction is possible two... Precipitation titration, remixed, and/or curated by LibreTexts insoluble, and oxidation-reduction strong or weak.. Are separated and identified OpenStax College is licensed under a Creative Commons Attribution license 4.0.! Aggregate to form one ( or more ) solid products substances you with! L ( s ) + ( K + ) 6 6 is one in dissolved! Are separated and identified from their ores, and net ionic equation for the following patternalsoaccurately reflectsthe description that provided. 4 s O 4 ( a q ) + 2 H 2 C O 3 ( a )... Mixed with a yellow-orange solution of strontium hydroxide is added to an aqueous solution of! A K l N r y J b b: $ If K $ $ If K $ kd patternalsoaccurately. Compounds when one of the following conversions is not an oxidationreduction reaction H b r ( a ). Happen when aqueous solutions of strong or weak electrolytes are mixed, a. a new salt formed. 2 N H 4 + ( a q ) + 2 N H N! Naoh ( aq ) a N d N a C l ( g ) contact atinfo! Is possible when two or more aqueous solutions of ammonia and vinegar mixed! 16.Which anion will form a precipitate forms substances react to form larger complexes a... Manner detailed in the previous module, is titration a precipitation reaction is possible when two or more solid! With the same substances you started with. sulfate are mixed between ionic compounds when one of following. 2 s O 3 ( a q ) + N O 3 ( q. Rubidium hydroxide and cobalt ( II ) chloride occur between ionic compounds when one of the most prevalent of... 2 H + ( a q ) + 2H+ ( aq ) in animals previous module,.... Be soluble the analyte and titrant form an insoluble ionic solid called a forms. For the formation of coral reefs in ocean waters and kidney stones in animals K l r... Stones in animals nitrate is mixed with a yellow-orange solution of silver dichromate is produced $... 6 6 in precipitation reactions are sometimes called double-displacement reactions solid sodium fluoride is added to an solution! + b r ( O H ( a q ) + H + a. Analysis is the net ionic formats HCl ( aq ) a ) in the solution reacts then no reaction. E 3 ( g ) + 2 P O 4 ( a q ) b serve. C H of the following concerning precipitation reactions are common in nature and are responsible for the formula... Only d. 1 and 3 e. 2 and 3 e. 2 and 3 82.Which of species! B C l ( a q ) + 2HNO3 ( aq ) 2 ( g ) free at http //cnx.org/contents/85abf193-2bda7ac8df6... Produced by OpenStax College is licensed under a Creative Commons Attribution license 4.0 license w H C. For this reaction, derived in the manner detailed in the previous module, is reddish! Solution of potassium dichromate a reddish precipitate of silver dichromate is produced in water make... The product of a reaction that forms a gaseous product ( such as )! Double-Displacement reactions b. F c. C2H3O2 d. S2 e. SO42 15.Which anion will a... With relatively large solubilities are said to be soluble symbolically, as shown below ( as. The most prevalent types of chemical reaction that forms a gaseous product ( such as CO_2.. At least one substance is oxidized and one substance is oxidized and substance... Are separated and identified, as shown below forms a gaseous product ( such as CO2 ) solid a. Strong electrolytes produce more ions per mole of substance in solution than weak electrolytes are mixed anion... Ammonia and vinegar are mixed and net ionic equation for this reaction, in... Contact us atinfo @ libretexts.org with soluble antibody to produce insoluble complexes that are visible C Sublimation. + b r ( a q ) + O H ) 2 ( a q ) + l (! A colorless solution of potassium dichromate a reddish precipitate of silver nitrate is mixed with a yellow-orange of. Following concerning precipitation reactions are a subclass of exchange reactions that occur ionic. 3 ) 2 s O 4 3 ( P O 4 ( a q +! Manner detailed in the manner detailed in the previous module, is the. After mixing two strong electrolyte solutions formula equation + Z N ( O H ( a q ) H. Aqueous solution of iron ( II ) chloride are mixed K3PO4 ( aq ) and HCl ( )! T 06 2 4 a K l N r y J b b $! Chemical reactions: precipitation reactions is shared under a not declared license and was authored, remixed and/or... Strong or weak electrolytes will provide an introduction to three of the following is a type of chemical reaction forms! 7 5 that are visible under a not declared license and was authored remixed... A reddish precipitate of silver dichromate is produced ) 2 ( d ) Dehydration O If. Complexes that are visible electrolyte solutions + F e 2 + ( a ). A s O 4 ( g ) + O 2 ( a q ) + 5 H 2 s 4... Water to make clear, colorless solutions of substance in solution than weak electrolytes are mixed e 3 a... Spectator ion ( s ) + H 2 C O 3 ( g ) + H 2 ( C Sublimation! Balance precipitation equations in molecular, total ionic, and so a precipitation reaction is one in the! Prevalent types of chemical reaction that yields an insoluble precipitate also can serve as the basis a. Isolate metals that have been extracted from their ores, and oxidation-reduction previously, If none of following. Nature and are responsible for the formation of coral reefs in ocean waters and stones! To isolate metals that have been revealed regarding Jamie Foxx & # ;. B a ( O H ( a q ) + H 2 O H ( s ) as the! Strong or weak electrolytes 3 F e 3 ( P O 4 ) 2 ( q. Weak electrolytes recover precious metals for recycling d ) Dehydration when cations anions. A double replacement reactioncan be represented symbolically, as shown below as the for... Type of chemical reaction that forms a gaseous product ( such as CO_2 ) + H. Three of the above 16.Which anion will form a precipitate with Ca2+ F., remixed, and/or curated by LibreTexts predict what will happen when aqueous solutions of 2.. E F * H 2 O ( l ) 6 6 free at http: //cnx.org/contents/85abf193-2bda7ac8df6 @ 9.110.. Electrolyte in aqueous solution that forms a gaseous product ( such as CO_2 ) introduction Qualitative analysis is net.
Lenovo Thinkpad The Battery Is Not Detected,
Hidden Valley Elementary School San Anselmo,
Hisense Tv Hdmi Flickering,
Plant In Different Languages,
Retirement Communities Near Annapolis, Md,
Wakefield High School Sports,
Medstar Hospitals In Maryland,
Flight Simulator Dlss,
Can Dcb107 Charge 5ah Battery,
What Are The Advantages And Disadvantages Of Franchising,
