Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 3, Problem 24PS

Decide whether each of the following is water-soluble. If soluble, tell what ions are produced when the compound dissolves in water.

(a) NiCl2

(b) Cr(NO3)3

(c) Pb(NO3)2

(d) BaSO4

(a)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

Water solubility of the given compounds and ions produced by the compounds should be analyzed.

Concept introduction:

Most of the ionic compounds are soluble in water, very few of the ionic compounds are sparingly soluble, and some of the ionic compounds are insoluble in water.  When it is soluble in water ions gets separated in the solution.

Soluble compounds in water

Almost all the salts of (Na+)(K+)(NH4+)(NO3-)(ClO3-)(ClO4-)and(CH3CO2-) are soluble.

Almost all the salts of Cl-, Br-, I-(halides) are soluble.  But some of the halides (Ag+, Hg22+, Pb2+) are insoluble.

Salts of F- are soluble.  But some of the fluoride salt of Mg2+, Ca2+, Sr2+, Ba2+, Pb2+ are insoluble.

Salts of sulfate (SO42-) are soluble. But sulfates of Ca2+, Sr2+, Ba2+, Pb2+, Ag+, are insoluble.

Insoluble compounds in water:

Most of the salts of (CO32-)(PO43-)(C2O42-)(CrO42-) and(S2-) are insoluble but some of the salts of NH4+, alkali metal cations and BaS are soluble.

Most of the metal hydroxides and oxides are insoluble in water bit some of the alkali metal hydroxides, Ba(OH)2and Sr(OH)2 are soluble in water.

Answer to Problem 24PS

Water soluble compound.  Produced ions are Ni2+and Cl-.

Explanation of Solution

The given compound Nickel (II) chloride which is soluble in water.

NiCl2 is dissolves in water, Nickel(II) chloride is composed of Ni2+and Cl-, and it became ions in water.

  Chemistry & Chemical Reactivity, Chapter 3, Problem 24PS , additional homework tip  1

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

Water solubility of the given compounds and ions produced by the compounds should be analyzed.

Concept introduction:

Most of the ionic compounds are soluble in water, very few of the ionic compounds are sparingly soluble, and some of the ionic compounds are insoluble in water.  When it is soluble in water ions gets separated in the solution.

Soluble compounds in water

Almost all the salts of (Na+)(K+)(NH4+)(NO3-)(ClO3-)(ClO4-)and(CH3CO2-) are soluble.

Almost all the salts of Cl-, Br-, I-(halides) are soluble.  But some of the halides (Ag+, Hg22+, Pb2+) are insoluble.

Salts of F- are soluble.  But some of the fluoride salt of Mg2+, Ca2+, Sr2+, Ba2+, Pb2+ are insoluble.

Salts of sulfate (SO42-) are soluble. But sulfates of Ca2+, Sr2+, Ba2+, Pb2+, Ag+, are insoluble.

Insoluble compounds in water:

Most of the salts of (CO32-)(PO43-)(C2O42-)(CrO42-) and(S2-) are insoluble but some of the salts of NH4+, alkali metal cations and BaS are soluble.

Most of the metal hydroxides and oxides are insoluble in water bit some of the alkali metal hydroxides, Ba(OH)2and Sr(OH)2 are soluble in water.

Answer to Problem 24PS

Water soluble compound.  Produced ions are Cr3+and NO3-.

Explanation of Solution

The given compound is Chromium (III) nitrate which is soluble in water.

Cr(NO3)3 is dissolves in water, Chromium(III) nitrate is composed of Cr3+and NO3-, and it became ions in water.

  Chemistry & Chemical Reactivity, Chapter 3, Problem 24PS , additional homework tip  2

(c)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

Water solubility of the given compounds and ions produced by the compounds should be analyzed.

Concept introduction:

Most of the ionic compounds are soluble in water, very few of the ionic compounds are sparingly soluble, and some of the ionic compounds are insoluble in water.  When it is soluble in water ions gets separated in the solution.

Soluble compounds in water

Almost all the salts of (Na+)(K+)(NH4+)(NO3-)(ClO3-)(ClO4-)and(CH3CO2-) are soluble.

Almost all the salts of Cl-, Br-, I-(halides) are soluble.  But some of the halides (Ag+, Hg22+, Pb2+) are insoluble.

Salts of F- are soluble.  But some of the fluoride salt of Mg2+, Ca2+, Sr2+, Ba2+, Pb2+ are insoluble.

Salts of sulfate (SO42-) are soluble. But sulfates of Ca2+, Sr2+, Ba2+, Pb2+, Ag+, are insoluble.

Insoluble compounds in water:

Most of the salts of (CO32-)(PO43-)(C2O42-)(CrO42-) and(S2-) are insoluble but some of the salts of NH4+, alkali metal cations and BaS are soluble.

Most of the metal hydroxides and oxides are insoluble in water bit some of the alkali metal hydroxides, Ba(OH)2and Sr(OH)2 are soluble in water.

Answer to Problem 24PS

Water soluble compound.  Produced ions are.Pb2+and NO3.

Explanation of Solution

The given compound is Lead (II) nitrate which is soluble in water.

Pb(NO3)2 is dissolves in water, Lead(II) nitrate is composed of Pb2+ (aq) + 2 NO-3 (aq), and it became ions in water.

  Chemistry & Chemical Reactivity, Chapter 3, Problem 24PS , additional homework tip  3

(d)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

Water solubility of the given compounds and ions produced by the compounds should be analyzed.

Concept introduction:

Most of the ionic compounds are soluble in water, very few of the ionic compounds are sparingly soluble, and some of the ionic compounds are insoluble in water.  When it is soluble in water ions gets separated in the solution.

Soluble compounds in water

Almost all the salts of (Na+)(K+)(NH4+)(NO3-)(ClO3-)(ClO4-)and(CH3CO2-) are soluble.

Almost all the salts of Cl-, Br-, I-(halides) are soluble.  But some of the halides (Ag+, Hg22+, Pb2+) are insoluble.

Salts of F- are soluble.  But some of the fluoride salt of Mg2+, Ca2+, Sr2+, Ba2+, Pb2+ are insoluble.

Salts of sulfate (SO42-) are soluble. But sulfates of Ca2+, Sr2+, Ba2+, Pb2+, Ag+, are insoluble.

Insoluble compounds in water:

Most of the salts of (CO32-)(PO43-)(C2O42-)(CrO42-) and(S2-) are insoluble but some of the salts of NH4+, alkali metal cations and BaS are soluble.

Most of the metal hydroxides and oxides are insoluble in water bit some of the alkali metal hydroxides, Ba(OH)2and Sr(OH)2 are soluble in water.

Answer to Problem 24PS

This compound insoluble in water.

Explanation of Solution

The given compound is Barium sulfate which is insoluble in water.

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Chapter 3 Solutions

Chemistry & Chemical Reactivity

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