JEE Main Chemistry question

Dehydrohalogenation in haloalkanes produces:

(A)A single bond
(B)A double bondCorrect
(C)A triple bond
(D)Fragmentation

Answer: (B)

Solution

Dehydrohalogenation (E2/E1 elimination of HX from an alkyl halide) removes a hydrogen and the halogen from adjacent carbons, forming a new bond, i.e. converting a C–C single bond into a C=C

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Question ID VK-148238