JEE Main Chemistry question

The compound formed on heating chlorobenzene with chloral in the presence of concentrated sulphuric acid is

(A)Gammexane
(B)DDTCorrect
(C)Freon
(D)Hexachloroethane

Answer: (B)

Solution

Heating chlorobenzene with chloral () in the presence of concentrated brings about electrophilic condensation at the carbonyl carbon: two molecules of chlorobenzene attack the protonated carbonyl, and loss of water gives DDT,

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Question ID VK-148092