What is the correct order of reactivity of following compounds towards $S_{N} 1$ reaction
2-Chloro-2-methyl propane (A); 2-Chloro propane (B); Chloroethane(C)

Question

What is the correct order of reactivity of following compounds towards S N ​ 1 reaction 2-Chloro-2-methyl propane (A); 2-Chloro propane (B); Chloroethane(C)

TestHub · Accepted Answer

Question Explanation:

The question asks to arrange the given alkyl chlorides in order of decreasing reactivity toward the SN¹ reaction.

Concept: This question is based on the rate of SN¹ reaction.

Solution: The rate-determining step of an SN¹ reaction is the formation of the carbocation intermediate.

Therefore, Rate of Sɴ¹ reaction $\propto$ Stability of carbocation.

rate of Sɴ¹ reaction = A > B > C (stability of carbocations)

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