NEET Chemistry SN1 & SN2 Reactions MCQ Question
Consider a diagram showing the SN1 reaction of tert-butyl bromide with hydroxide ion. Which step is characterized by the formation of a carbocation intermediate?
The first step, involving slow cleavage of the C—Br bond.
The second step, where the nucleophile attacks the carbocation.
Simultaneous bond formation and bond breaking.
Direct displacement of the leaving group by the nucleophile.
Correct Answer
Detailed Explanation
In SN1 reactions, the first step involves the slow cleavage of the C—Br bond, forming a carbocation intermediate, which is then attacked by a nucleophile in the second step.
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