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Question

When aniline is heated with conc. H2SO4 at 455 - 475K, it forms:

A
aniline hydrogensulphate
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B
sulphanilic acid
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C
amino benzene sulphonic acid
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D
benzenesulphonic acid
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Solution

The correct option is A sulphanilic acid
Aniline is sensitive to oxidation so during nitration it is protected firstly.
929953_938354_ans_a68c21cde0ef494197493e6acf251c27.png

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