Which among the following statements is NOT correct about SN^2 reaction mechanism?

MHT CET 2022 Chemistry question

Which among the following statements is NOT correct about SN reaction mechanism?

(A)Nucleophile attacks the carbon atom from the side opposite to halogen
(B)Rate of reaction is dependent on the concentration of nucleophile
(C)Bond formation and bond breaking occurs simultaneously
(D)SN mechanism is observed in tertiary alkyl halidesCorrect

Answer: (D)

Solution

SN2 is a one-step bimolecular substitution: the nucleophile attacks from the back side of the C-X bond (A, correct), bond formation with the nucleophile and breaking of the C-X bond occur simultaneously through a single transition state (C, correct), and the rate $=

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Question ID VK-093693