JEE Main Chemistry question

2-Chlorobutane, obtained by chlorination of butane, will be:

(A)meso-form
(B)Racemic formCorrect
(C)-form
(D)-form

Answer: (B)

Solution

Radical chlorination of butane at C-2 generates a planar, achiral intermediate radical, which is then attacked by with equal probability from either face. This gives

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Question ID VK-148241