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Amines

Question
CBSEENCH12008913

Arrange the following isomeric compounds in order of decreasing boiling points.
CH3CH2N(CH3)2 , CH3CH2CH2CH2NH2, (CH3CH2)2NH.

Solution
The correct order is:
stack CH subscript 3 CH subscript 2 CH subscript 2 CH subscript 2 NH subscript 2 space greater than space with left parenthesis 1 degree right parenthesis below stack left parenthesis CH subscript 3 CH subscript 2 right parenthesis subscript 2 NH with left parenthesis 2 degree right parenthesis below space greater than space stack CH subscript 3 CH subscript 2 straight N left parenthesis CH subscript 3 right parenthesis subscript 2. with left parenthesis 3 degree right parenthesis below