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Amines

Short Answer Type

191. Write IUPAC names of following and classify them into primary, secondary, tertiary amines:
CH₃(CH₂)₂NH₂

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192. Write IUPAC names of following and classify them into primary, secondary, tertiary amines:

CH₃NHCH(CH₃)₂

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193. Write IUPAC names of following and classify them into primary, secondary, tertiary amines:
(CH₃)₃CNH₂

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194. Write IUPAC names of following and classify them into primary, secondary, tertiary amines:
C₆H₅NHCH₃

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195. Write IUPAC names of following and classify them into primary, secondary, tertiary amines:
(CH₃CH₂)₂NCH₃

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196. Write IUPAC names of following and classify them into primary, secondary, tertiary amines:
m—BrC₆H₄NH₂.

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197.

Give one chemical test to distinguish between the following pairs of compounds.
Methylamine and diethylamine.

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198.
Give one chemical test to distinguish between the following pairs of compounds.
Secondary and tertiary amines.

Shake the given amines separately with Hinsberg’s reagent (benzene sulphonyl chloride) in the presence of an excess of aqueous KOH solution.
A secondary amine forms N,N—dialkyl benzene sulphonamide which remains insoluble in aqueous KOH and even after acidification with dilute HCl.

A tertiary amine does not react with benzene sulphonyl chloride and remains insoluble in aqueous KOH.