Chapter 22, Problem 60E

(a)

Interpretation Introduction

To determine: The justification for the statement, “ ${\text{H}}_{\text{3}}{\text{PO}}_3$ is a diprotic acid”.

(b)

Interpretation Introduction

To determine: The justification for the statement, “Nitric acid is a strong acid, whereas phosphoric acid is weak”.

(c)

Interpretation Introduction

To determine: The justification for the statement, “Phosphate rock is ineffective as a phosphate fertilizer”.

(d)

Interpretation Introduction

To determine: The justification for the statement, “Phosphorous does not exist at room temperature as diatomic molecule, but nitrogen does”.

(e)

Interpretation Introduction

To determine: The justification for the statement, “Solutions of ${\text{Na}}_{\text{3}}{\text{PO}}_{\text{4}}$ are quite basic”.