Chapter 14, Problem 36E

### Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

Chapter
Section

### Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

# Write the dissociation reaction and the corresponding Ka equilibrium expression for each of the following acids in water.a. HCNb. HOC6H5c. C6H5NH3+

(a)

Interpretation Introduction

Interpretation: The dissociation reaction and the corresponding Ka equilibrium expression for the given acids is to be stated.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

The equilibrium constant for the dissociation reaction of a given acid is known as the acid dissociation constant and is denoted by the symbol, Ka .

To determine: The dissociation reaction and the corresponding Ka equilibrium expression for HCN .

Explanation

Explanation

The dissociation reaction for HCN is, HCN(aq)+H2O(l)H3O+(aq)+ CN-(aq) .

The dissociation reaction for HCN is,

HCN(aq)+H2O(l)H3O+(aq)+ CN-

(b)

Interpretation Introduction

Interpretation: The dissociation reaction and the corresponding Ka equilibrium expression for the given acids is to be stated.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

The equilibrium constant for the dissociation reaction of a given acid is known as the acid dissociation constant and is denoted by the symbol, Ka .

To determine: The dissociation reaction and the corresponding Ka equilibrium expression for HOC6H5 .

(c)

Interpretation Introduction

Interpretation: The dissociation reaction and the corresponding Ka equilibrium expression for the given acids is to be stated.

Concept introduction: The state when the reactants involved in a chemical reaction and the products formed in the reaction exist in concentrations having no further tendency to change is known as an equilibrium state of the reaction.

The equilibrium constant for the dissociation reaction of a given acid is known as the acid dissociation constant and is denoted by the symbol, Ka .

To determine: The dissociation reaction and the corresponding Ka equilibrium expression for C6H5NH3+ .

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