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Arrange the following: C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point - CBSE (Science) Class 12 - Chemistry

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Arrange the following: C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point

Arrange the following in the increasing order of their boiling point :

C2H5NH2, C2H5OH, (CH3)3N

Solution

Increasing order of boiling point:

(CH3)3N < C2H5NH2 < C2H5OH

Alcohols have higher boiling point as compared to that of amines because oxygen, being more electronegative, forms strong hydrogen bond as compared to that of nitrogen.

In tertiary amine, there is no hydrogen to form hydrogen bond and hence, has the lowest boiling point.

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Solution Arrange the following: C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point Concept: Physical Properties of Amines.
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