Chapter 15, Problem 15.79QE

(a)

Interpretation Introduction

The chemical equation corresponding to ionization of hydroxylammonium ion has to be written and acid ionization constant has to be calculated.

Concept Introduction:

The ionization of a hypothetical weak acid $\left(\text{HA}\right)$ is given as follows:

  $\text{HA}\left(\text{aq}\right)+{\text{H}}_{\text{2}}\text{O}\left(\text{l}\right)\rightleftharpoons {\text{A}}^{-}\left(\text{aq}\right)+{\text{H}}_3{\text{O}}^{+}\left(\text{aq}\right)$

The relation among $K_{\text{a}}$, ${\text{K}}_{\text{b}}$ and $K_{\text{w}}$ is given as follows:

  $K_{\text{a}}{K}_{\text{b}}=K_{\text{w}}$

Here,

$K_{\text{w}}$ denotes the ionic product of water.

$K_{\text{a}}$ denotes the ionization constant of weak acid.

$K_{\text{b}}$ denotes ionization constant of weak base.

(b)

Interpretation Introduction

The chemical equation corresponding to ionization of ammonium ion has to be written and base ionization constant has to be calculated.

Concept Introduction:

Refer to part (a).