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Acidity of Alpha Hydrogens

Consider the ...

Question

Consider the following reaction, The possible product(s) is/are
I.

II.

III.

IV.

A

both II, IV

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B

II, III, I

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C

I, II, III, IV

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D

only IV

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Solution

The correct option is C I, II, III, IV
N-bromosuccinamide (NBS) in $C C l_{4}$ brings about allylic bromination by free radical mechanism.
The reactant gives rise to 3 different radical ion (I), (II) and (III).
These radicals will rearrange to form alkyl halides.

Thus, all the given alkyl halides are the possible product of the given reaction. Hence, correct option is c.

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Acidity of Alpha Hydrogens

Standard XII Chemistry

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