Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 75

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Ethyl amine on heating with ${CS}_{2}$ , in presence of ${HgCl}_{2}$ forms:

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Important Questions on Amines

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Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 76

The Hinsberg's method is used for:

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Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 77

Which of the following amine does not react with Hinsberg's reagent?

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Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 78

Secondary amine forms yellow oily liquid with nitrous acid which on warming with phenol and conc.

H_{2} {SO}_{4}

gives a brown or red colour and which at once changes into blue-green. This reaction is called as:

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Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 79

Aromatic primary amines can be distinguished from aliphatic primary amines by

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Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 80

Action of

{NaNO}_{2}

with dilute

HCl

on

{ArNH}_{2}

yields

{ArN}_{2}^{+} {Cl}^{-} .

A similar reaction with cyclohexylamine will yield

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Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 81

Which one does not liberate

N H_{3}

when undergoes hydrolysis?

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Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 82

Acid hydrolysis of methyl isocyanide gives:

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Alpha Question Bank for Medical: Chemistry>Chapter 26 - Amines>Exercise 1>Q 83

The product formed by the reaction of acetamide with

{Br}_{2}

in presence of

NaOH

is: