Which of the following compound reacts with chlorobenzene to produce DDT?
Answer & explanation
Correct answer: option 1
The correct answer is option 1. trichloroacetaldehyde.
DDT is produced by the reaction of chlorobenzene with chloral (trichloroacetaldehyde) in the presence of concentrated sulfuric acid. The reaction is shown below:
The other options are incorrect. Option (2) m-chloroacetaldehyde, is not a trichloroacetaldehyde and will not react with chlorobenzene to produce DDT. Option (3) acetaldehyde, is not a trichloroacetaldehyde and will not react with chlorobenzene to produce DDT. Option (4) nitrobenzene, is not a halogenated compound and will not react with chlorobenzene to produce DDT.