Question

How to convert phenol to benzoquinone?

Answer 1

Conversion of Phenol to Benzoquinone:-

Step 1: Formation of Benzoquinone

When the Phenol is treated with Sodium dichromate$\left({\mathrm{Na}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7\right)$ and Sulphuric acid$\left({\mathrm{H}}_2{\mathrm{SO}}_4\right)$ and undergoes oxidation, it produces Benzoquinone:

This conversion of Phenol to Benzoquinone is a 1 step reaction.

Therefore, Phenol upon treatment with Sodium dichromate and Sulphuric acid produces Benzoquinone.