Q.

The correct order of increasing basic nature for the bases NH3,CH3NH2 and CH32NH in aqueous solutions

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a

CH3NH2<NH3<CH32NH

b

NH3<CH3NH2<CH32NH

c

CH3NH2<CH32NH<NH3

d

CH32NH<NH3<CH3NH2

answer is B.

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Detailed Solution

  •  The alkyl groups donate electrons to the nitrogen atom by +I effect. Among the amines, secondary amines are more basic than primary amines. So, the correct order of increasing basic nature of bases in aqueous solution is NH3<CH3NH2<CH32NH.

 

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