Chapter 14, Problem 79E

(a)

Interpretation Introduction

To determine: The authentication of the fact that the two given reactions can be summed to give the overall oxidation reaction of ${\text{SO}}_{\text{2}}$ by ${\text{O}}_{\text{2}}$ to give ${\text{SO}}_{\text{3}}$ .

(b)

Interpretation Introduction

To determine: If the ${\text{NO}}_2$ present in the given reaction is an intermediate or a catalyst.

(c)

Interpretation Introduction

To determine: If $\text{NO}$ present in the given reaction is an intermediate or a catalyst.

(d)

Interpretation Introduction

To determine: The given reaction is an example of homogeneous or heterogeneous catalysis.