Question

Identify the role of PDC from the following.

Options

• It carries dehydration of alcohols.

• It helps to prepare carboxylic acids from alcohols.

• It helps to stop oxidation of primary alcohols at aldehydic stage.

• It carries hydration of alkenes.

Answer 1

It helps to stop oxidation of primary alcohols at aldehydic stage.

Explanation:

PDC - Pyridinium dichromate: (Mild oxidizing agent)

$$\text{1° Alcohols}\underset{\underset{\mathrm{Room}\mathrm{temp}}{\mathrm{CH}{\phantom{A}}_2\mathrm{Cl}{\phantom{A}}_2}}{\overset{\mathrm{PDC}}{\to }}\mathrm{Aldehydes}$$