Aniline on heating with $X$ in the presence of $K O H$ gives a product with very bad smell. Identify $X$ .

C H_{3} C l

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C C l_{4}

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C H C l_{3}

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C_{2} H_{5} C l

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Solution

The correct option is A $C H C l_{3}$
The carbylamine reaction is a chemical test for detection of primary amines. In this reaction, the analyte is heated with alcoholic potassium hydroxide and chloroform. If a primary amine is present, the respective isocyanide is formed, which is a revolting smelling substance.
The reaction is: $C_{6} H_{5} - N H_{2} + C H C l_{3} + 3 K O H \to C_{6} H_{4} N C + 3 K C l + 3 H_{2} O$ .

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Q. Aniline on heating with

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in the presence of

K O H

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C_{4} H_{11} N

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C H C l_{3} + K O H

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Q. Regarding dipole moment of the following species.

C H_{4}, C H_{3} C l, C H_{2} C l_{2}, C H C l_{3}, C C l_{4}

Zero :

C C l_{4}

Maximum :

C H_{3} C l

Order being :

C H_{4} = C C l_{4} < C H C l_{3} < C H_{2} C l_{2} < C H_{3} C l

If true enter 1, else enter 0.

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Aniline on heating with X in the presence of KOH gives a product with very bad smell. Identify X.

Aniline on heating with $X$ in the presence of $K O H$ gives a product with very bad smell. Identify $X$ .