   Chapter 14, Problem 183CP

Chapter
Section
Textbook Problem

# Will 0.10 M solutions of the following salts be acidic, basic, or neutral? See Appendix 5 for Ka values.a. ammonium bicarbonateb. sodium dihydrogen phosphatec. sodium hydrogen phosphated. ammonium dihydrogen phosphatee. ammonium formate

(a)

Interpretation Introduction

Interpretation: The nature of salts according to their Ka and Kb values is to be stated.

Concept introduction: If the value of Ka>Kb , then the salt is acidic in nature.

If the value of Ka<Kb , then the salt is basic in nature.

If the value of Ka=Kb , then the salt is neutral.

To determine: The nature of Ammonium bicarbonate salt.

Explanation

Explanation

The Ka value of NH4+ (Ammonium ion) is 5.5×1010 and the

(b)

Interpretation Introduction

Interpretation: The nature of salts according to their Ka and Kb values is to be stated.

Concept introduction: If the value of Ka>Kb , then the salt is acidic in nature.

If the value of Ka<Kb , then the salt is basic in nature.

If the value of Ka=Kb , then the salt is neutral.

To determine: The nature of Sodium dihydrogen phosphate salt.

(c)

Interpretation Introduction

Interpretation: The nature of salts according to their Ka and Kb values is to be stated.

Concept introduction: If the value of Ka>Kb , then the salt is acidic in nature.

If the value of Ka<Kb , then the salt is basic in nature.

If the value of Ka=Kb , then the salt is neutral.

To determine: The nature of Sodium hydrogen phosphate salt.

(d)

Interpretation Introduction

Interpretation: The nature of salts according to their Ka and Kb values is to be stated.

Concept introduction: If the value of Ka>Kb , then the salt is acidic in nature.

If the value of Ka<Kb , then the salt is basic in nature.

If the value of Ka=Kb , then the salt is neutral.

To determine: The nature of Ammonium dihydrogen phosphate salt.

(e)

Interpretation Introduction

Interpretation: The nature of salts according to their Ka and Kb values is to be stated.

Concept introduction: If the value of Ka>Kb , then the salt is acidic in nature.

If the value of Ka<Kb , then the salt is basic in nature.

If the value of Ka=Kb , then the salt is neutral.

To determine: The nature of Ammonium formate salt.

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