Chapter 16, Problem 79QP

(a)

Interpretation Introduction

Interpretation:

Whether the given compound ${\text{CH}}_3\text{CHO}$ is an aldehyde or not is to be determined.

(b)

Interpretation Introduction

Interpretation:

Whether the given compound ${\text{CH}}_3{\text{COCH}}_3$ is an aldehyde or not is to be determined.

(c)

Interpretation Introduction

Interpretation:

Whether the given compound ${\text{CH}}_3{\text{CH}}_2\text{CHO}$ is an aldehyde or not is to be determined.

(d)

Interpretation Introduction

Interpretation:

Whether the given compound $\text{HCHO}$ is an aldehyde or not is to be determined.