Chapter 19, Problem 19.41SP

(a)

Interpretation Introduction

Interpretation:

The oxidation state of the group $\text{3A}$ element in ${\text{NaBF}}_{\text{4}}$ has to be indicated.

(b)

Interpretation Introduction

Interpretation:

The oxidation state of the group $\text{3A}$ element in ${\text{GaCl}}_{\text{3}}$ has to be indicated.

(c)

Interpretation Introduction

Interpretation:

The oxidation state of the group $\text{3A}$ element in $\text{TlCl}$ has to be indicated.

(d)

Interpretation Introduction

Interpretation:

The oxidation state of the group $\text{3A}$ element in ${\text{B}}_{\text{2}}{\text{H}}_{\text{6}}$ has to be indicated.