JEE Main Chemistry question

[IIT 1997] Among the following statements on the nitration of aromatic compounds, the **false** one is

(A)The rate of nitration of benzene is almost the same as that of hexadeuterobenzene
(B)The rate of nitration of toluene is greater than that of benzene
(C)The rate of nitration of benzene is greater than that of hexadeuterobenzeneCorrect
(D)Nitration is an electrophilic substitution reaction

Answer: (C)

Solution

Since the C–H (or C–D) bond is not broken in the rate-determining step of nitration (electrophilic attack to form the arenium ion occurs first), there is no significant

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Question ID VK-140143