MHT CET Chemistry question

In alkaline hydrolysis of 1-bromopropane,

(A)Reaction is endothermic
(B)Rate of reaction is independent of concentration of NaOH
(C)Rate of reaction is doubled if concentration of any reactant is doubledCorrect
(D)Rate of reaction is doubled as concentrations of both the reactants are doubled

Answer: (C)

Solution

A primary halide reacts by SN2 with rate = k[RBr][OH-], so doubling either reactant doubles the rate (c); the rate depends on NaOH (b is false),

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Question ID VK-043660