Chapter 28, Problem 28.23P

Interpretation Introduction

(a)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm ${\text{HNO}}_{\text{3}}$. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(b)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm ${\text{HNO}}_{\text{3}}$. The oxidation of aldoses leads to the formation of aldaric acid.

Interpretation Introduction

(c)

Interpretation: The given aldose is oxidized to optically inactive aldaric acid or not is to be identified.

Concept introduction: The aldehyde group and primary alcohol of aldoses oxidizes to carboxyl groups on treatment with warm ${\text{HNO}}_{\text{3}}$. The oxidation of aldoses leads to the formation of aldaric acid.