Question

The missing reagent $\mathrm{P}$ is:

• A.

  

• B.

  

• C.

  

• D.

  

Answer 1

The correct option is A

Explanation for correct option:

A.

1. The keto group is initially protonated to make it more electrophilic.
2. The phenol derivative is then subjected to an electrophilic aromatic substitution to produce a pink-colored solution.

Reagent:

The substances that are added to a system in order to trigger a chemical reaction are known as reagents.

The reaction will be:

Therefore, Option A is correct.