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Question

The most basic compound in aqueous solution is:

A
NH3
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B
CH3NH2
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C
HN(CH3)2
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D
N(CH3)3
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Solution

The correct option is D HN(CH3)2

The combined effect of the pushing effect of the alkyl group (+I effect), steric hindrance and the solvation of amines causes the basicity order to be:

NH3<tertiary amine<primary amine<secondary amine.


HN(CH3)2 is secondary amine. So it is most basic.


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