Among following statements on the nitration of aromatic compounds, the false one is:

The rate of nitration of benzene is almost the same as that of hexadeuterobenzene

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The rate of nitration of toluene is greater than that of benzene

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The rate of nitration of benzene is greater than that of hexadeuterobenzene

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Nitration is an electrophilic substitution reaction

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Solution

The correct option is C The rate of nitration of benzene is greater than that of hexadeuterobenzene
Hexadeuterobenzene is an isotope of benzene where all hydrogen atoms are replaced by deuterium.

In the nitration of benzene mechanism nitronium ion formed by nitric acid.

Removing of hydrogen don't take participate in rate determination step so kinetic isotope effect is absent.

The rate of nitration of Deuterated benzene is same that of the benzene when same sets of nitrating agent is used in both cases.

Option C is correct.

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Similar questions

Nitration is an example of aromatic electrophilic substitution and its rate depends upon the group already present in the benzene ring. Out of benzene and phenol, which one is more easily nitrated and why?

Q. Electrophile that participates in nitration of benzene is:

Q. Assertion :The rate of nitration of benzene is less than hexa deutero benzene.
Because Reason: Deuterium is an isotope of hydrogen.

Q. Assertion :Nitration of toluene is easier than benzene.
Reason: The methyl group in toluene is electron-releasing.

The electrophile in nitration of benzene reaction is:

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