Chapter 18, Problem 18.62P

a)

Interpretation Introduction

Interpretation: The balanced chemical reaction and the expression for ${\text{K}}_{\text{a}}$ has to be written for the reaction between $\text{HCOOH}$ and water

Concept introduction: Bronsted-Lowry acid will donate a proton to the water. The oxygen in the water molecule will have lone pair of electrons which will accept the proton from the acid-forming hydronium ion $\text{[H}\text{O}{}^{\text{+}}\text{]}$ . The acid dissociation constant gives the ratio of the product concentration and reactant concentration and the strength of the acid that is to which extent the acid dissociates in the solution.

b)

Interpretation Introduction

Interpretation: The balanced chemical reaction and the expression for ${\text{K}}_{\text{a}}$ has to be written for the reaction between $\text{H}\text{S}$ and water

Concept introduction: Bronsted-Lowry acid will donate a proton to the water. The oxygen in the water molecule will have lone pair of electrons which will accept the proton from the acid-forming hydronium ion $\text{[H}\text{O}{}^{\text{+}}\text{]}$ . The acid dissociation constant gives the ratio of the product concentration and reactant concentration and also the strength of the acid that is to which extent the acid dissociates in the solution.

c)

Interpretation Introduction

Interpretation: The balanced chemical reaction and the expression for ${\text{K}}_{\text{a}}$ has to be written for the reaction between $\text{H}\text{A}\text{sO}{}^{\text{-}}$ and water

Concept introduction: Bronsted-Lowry acid will donate a proton to the water. The oxygen in the water molecule will have lone pair of electrons which will accept the proton from the acid-forming hydronium ion $\text{[H}\text{O}{}^{\text{+}}\text{]}$ . The acid dissociation constant gives the ratio of the product concentration and reactant concentration and the strength of the acid that is to which extent the acid dissociates in the solution.

d)

Interpretation Introduction

Interpretation: The balanced chemical reaction and the expression for ${\text{K}}_{\text{a}}$ has to be written for $\text{HBrO}$ and water

Concept introduction: Bronsted-Lowry acid will donate a proton to the water. The oxygen in the water molecule will have lone pair of electrons which will accept the proton from the acid-forming hydronium ion $\text{[H}\text{O}{}^{\text{+}}\text{]}$ . The acid dissociation constant gives the ratio of the product concentration and reactant concentration and also the strength of the acid that is to which extent the acid dissociates in the solution.