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KI in acetone, undergoes S N 2 reaction with each of P, Q, R and S. The rates of the reaction vary as

Options

  1. AP > Q > R > S
  2. BS > P > R > Q
  3. CP > R > Q > S
  4. DR > P > S > Q

Correct answer

B. S > P > R > Q

Step-by-step solution

Relative reactivity for S N 2 reaction in the given structures is Substrate CH 3 Cl H 2 C = CH - CH 2 Cl Relative Rates Towards S N 2 100000 200 79 0.02

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