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Dehydration of Alcohols

Aniline on he...

Question

Aniline on heating with fuming sulphuric acid gives:

A

Aniline disulphate

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B

Sulphanilic acid

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C

Aniline sulphate

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D

Aniline-

2, 4

-disulphonic acid

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Solution

The correct option is C Sulphanilic acid
When aniline is treated with cold concentrated sulphuric acid, anilinium hydrogen sulphate is obtained. This on heating with concentrated sulfuric acid at $453$ K to $473$ K gives p-aminobenzene sulphonic acid which is also known as sulphanilic acid.

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Dehydration of Alcohols

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