JEE Mains · Chemistry · STD 11 - 8.4. Organic chemistry reaction mechanism
The correct order of reactivity of the following benzyl halides towards reaction with KCN is:

- A a > b > c > d
- B b > a > d > c
- C b > a > c > d
- D a > b > d > c
Answer & Solution
Correct Answer
(B) b > a > d > c
Step-by-step Solution
Detailed explanation
This is \(S_{N}1\) reaction. Rate of \(S_{N}1\) reaction \(\propto\) stability of carbocation.
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