Chapter 20.4, Problem 20.5P

(a)

Interpretation Introduction

Interpretation:

The product obtained from the addition of excess of aqueous $\text{NaOH}$ with ${\text{Cr}}^{\text{2+}}$ solution has to be identified.

(b)

Interpretation Introduction

Interpretation:

The product obtained from the addition of excess of aqueous $\text{NaOH}$ with ${\text{Cr}}^{\text{3+}}$ solution has to be identified.

(c)

Interpretation Introduction

Interpretation:

The product obtained from the addition of excess of aqueous $\text{NaOH}$ with ${\text{Cr}}_{\text{2}}{\text{O}}_{\text{7}}^{\text{2-}}$ solution has to be identified.

(d)

Interpretation Introduction

Interpretation:

The product obtained from the addition of excess of aqueous $\text{NaOH}$ with ${\text{Fe}}^{\text{2+}}$ solution has to be identified.

(e)

Interpretation Introduction

Interpretation:

The product obtained from the addition of excess of aqueous $\text{NaOH}$ with ${\text{Fe}}^{\text{3+}}$ solution has to be identified.