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Reactions of Aryl Amines (Diazo Salts)

Benzene diazo...

Question

Benzene diazonium chloride on reaction with KCN in the presence of CuCN yields X. X on hydrolysis gives Y. Y can also be obtained from

A

Toulene by the action of Cl₂/ FeCl₃

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B

Toulene by the oxidation by KMnO₄

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C

Toulene by nitration

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D

Toulene by sulphonation

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Solution

The correct option is B
Toulene by the oxidation by KMnO₄

X is C₆H₅ - CN ; Y is C₆H₅ - COOH

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Q. Benzene diazonium chloride on hydrolysis gives:

Q. Benzene on reaction with conc.

H N O_{3}

in presence of conc.

H_{2} S O_{4}

followed by the treatment of

C l_{2}

F e C l_{3}

Q. Chlorobenzene can be prepared by reacting benzene diazonium chloride with:

Q. An organic compound

A (C_{8} H_{6})

gives brick red precipitate with ammoniacal solution of

C u_{2} C l_{2}

. A on treatment with ammoniacal solution of

H g S O_{4}

B (C_{8} H_{8} O)

, B gives positive iodoform test B can also be prepared by the reaction of benzene with acetic anhydride in presence of

A l C l_{3}

identify A and B.

Q. When benzene diazonium chloride is treated with benzene diazonium chloride with hypophosphorous acid in presence of cuprous ions, benzene is obtained.

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Reactions of Aryl Amines (Diazo Salts)

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