Question

What is Z in the following sequence of reactions? \[ \text{Phenol} \xrightarrow{\text{Zn dust}} \text{CH}_6 \xrightarrow{\text{Alkaline KMnO}_4} Z \]

• A. Benzene
• B. Toluene
• C. Benzaldehyde
• D. Benzoic acid

Hint:

Reduction of phenol with zinc dust leads to the formation of benzene.

Answer 1

The Correct Option is A

Step 1: Understand the reaction.
When phenol reacts with zinc dust, it undergoes reduction to form benzene. Then, when benzene reacts with alkaline potassium permanganate, it is oxidized to form benzoic acid.
Step 2: Conclusion.
Thus, Z is benzene in this reaction sequence.
Final Answer: \[ \boxed{\text{Benzene}} \]