Assertion : Reason : It follows with formation of more stable carbocation.

Assertion : Reason : It follows with formation of more stable carbocation.

1. If both assertion and reason are true and reason is the correct explanation of assertion.
2. If both assertion and reason are true but reason is not the correct explanation of assertion.
3. If assertion is true but reason is false.
4. If both assertion and reason are false.

Solution

Neopentyl bromide being primary alkyl halide does not undergo $S_{\mathrm{N}} 2$ reaction but proceeds via $S_{\mathrm{N}} 1$ path because of steric hindrance caused by the bulky nature of tertiary butyl group.

Asked in: NEET 2011 (Screening)

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