Question

4. Arrange the following sets in the order of their basic strength in aqueous
solution -
i NH3, C6H5NH2 , CH3NH2, , (CH3)2NH
ii P-nitroaniline, aniline, p-methylaniline​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

i) (CH3)2NH>CH3NH2>(CH3)3N>NH3>C6H5NH2

(ii)P-methylaniline>Aniline>p-nitroaniline

Explanation:

Alkyl group has +I effect which increases electron density on N , thus increasing the basic strength.

Aryl group is electron withdrawing.

Nitro group is -electron withdrawing, thus decreasing the basic strength