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Chemical Properties of Amines

Chloroform gi...

Question

Chloroform gives carbylamine reaction with primary amines.

A

True

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B

False

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Solution

The correct option is A True
Aliphatic/aromatic primary amines are heated with chloroform/alcoholic KOH to form foul-smelling alkyl isocyanides or carbylamines. This test is not given by secondary/tertiary amines.

$R - N H_{2} + C H C l_{3} + 3 K O H Δ - \to R - N C + 3 K C l + 3 H_{2} O$

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Similar questions

Q. Acid anhydrides on reaction with primary amines give ____________.

Does Benzylamine give Carbylamine reaction? (It is also a primary amine)

Q. In carbylamine reaction, primary amines react with alkaline

C H C l_{3}

and the final product is a carbylamine. From start to finish, how many instances of dehydrochlorination takes place?

Q. In carbylamine reaction, primary amine reacts with alkaline

C H C l_{3}

and the final product is a carbylamine. What is the change in oxidation state of

N

in carbylamine reaction?

Q. Assertion :Carbylamine reaction involves the reaction between

1^{o}

amine and chloroform in basic medium. Because Reason: In carbylamine reaction,

- {N H}_{2}

group is converted into

- N C

group via reaction with carbene intermediate.

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