JEE Main Chemistry question

Acetaldehyde reacts with PCl₅ to give:

Answer: (C)

Solution

PCl₅ converts the aldehyde's C=O into a gem-dichloride: CH₃CHO + PCl₅ → CH₃CHCl₂ (ethylidene dichloride, 1,1-dichloroethane) + POCl₃.

Question ID VK-149893