Chapter 17.5, Problem 17.11WE

(a)

Interpretation Introduction

Interpretation:

From the given compounds, the compounds that are more soluble in acidic solution compared to water has to be identified.

Concept introduction:

• Dissociation of salt forms strong conjugate base is more soluble in acidic compared to water.
• An anion reacts with acid only if it is conjugate base of a weak acid.

To identify: The $\text{CuS}$ is more soluble in acidic solution compared to water.

(b)

Interpretation Introduction

Interpretation:

From the given compounds, the compounds that are more soluble in acidic solution compared to water has to be identified.

Concept introduction:

• Dissociation of salt forms strong conjugate base is more soluble in acidic compared to water.
• An anion reacts with acid only if it is conjugate base of a weak acid.

To identify: The solubility of $\text{AgCl}$ in water or acid.

(c)

Interpretation Introduction

Interpretation:

From the given compounds, the compounds that are more soluble in acidic solution compared to water has to be identified.

Concept introduction:

• Dissociation of salt forms strong conjugate base is more soluble in acidic compared to water.
• An anion reacts with acid only if it is conjugate base of a weak acid.

To identify: The ${\text{PbSO}}_{\text{4}}$ is more soluble in acidic solution compared to water.