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Question 67

Given below are two statements:

$$\textbf{Statement I :}$$ Heating benzamide with bromine in an ethanolic solution of sodium hydroxide will give benzylamine.

$$\textbf{Statement II :}$$ Nitration of aniline with $$\text{HNO}_3/\text{H}_2\text{SO}_4$$ at $$288\,\text{K}$$ produces $$m$$-nitroaniline in higher amount than $$o$$-nitroaniline (pH adjusted).

In the light of the above statements, choose the correct answer from the options given below:

In the Hofmann bromamide degradation reaction, a primary amide is converted into a primary amine containing one carbon atom less.

For benzamide,

$$C_6H_5CONH_2 \xrightarrow{Br_2/NaOH} C_6H_5NH_2.$$

Thus, benzamide produces aniline and not benzylamine ((C_6H_5CH_2NH_2)). Therefore, Statement I is false.

During the nitration of aniline using the nitrating mixture ((HNO_3/H_2SO_4)), the amino group is protonated in the strongly acidic medium to form the anilinium ion ((-NH_3^+)). The anilinium ion is electron-withdrawing and acts as a meta-directing group.

As a result, nitration under these conditions produces (m)-nitroaniline in a higher proportion than (o)-nitroaniline.

Therefore, Statement II is true.

Hence, the correct answer is Statement I is false but Statement II is true.

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