Which of the following undergoes chlorination | vedclass

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Question

(D) Chlorination of aromatic compounds is an electrophilic aromatic substitution reaction. The rate of this reaction depends on the electron-donating

Vedclass · Accepted Answer

$C_6H_5N(CH_3)_2$

Vedclass · Answer

(D) Chlorination of aromatic compounds is an electrophilic aromatic substitution reaction. The rate of this reaction depends on the electron-donating ability of the substituent group attached to the benzene ring. Stronger electron-donating groups increase the electron density in the ring,making it more reactive towards electrophiles.The electron-donating power of the groups is as follows:$-N(CH_3)_2 > -NHCH_3 > -NH_2 > -OH$.Among the given options,the dimethylamino group $(-N(CH_3)_2)$ is the strongest electron-donating group due to the $+I$ effect of the two methyl groups,which further increases the electron density on the nitrogen atom and consequently on the benzene ring. Therefore,$N,N$-dimethylaniline $(C_6H_5N(CH_3)_2)$ undergoes chlorination at the fastest rate.

Which of the following undergoes chlorination at the fastest rate?

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