Which of the following is the most reactive toward electrophilic aromatic substitution reactions?
A
Benzene
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B
Aniline
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C
Nitrobenzene
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D
Chlorobenzene
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Solution
The correct option is B Aniline −NH2 increases the electron density at ortho and para postions because of the +R effect. Thus, increasing the reactivity towards electrophilic aromatic substitutions.