Aliphatic Compounds Containing Nitrogen - Result Question 14

####15. The order of basicity among the following compounds is

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(2017 Adv.)

(a) II $>$ I $>$ IV $>$ III

(b) I $>$ IV $>$ III $>$ I

(c) IV $>$ I $>$ II $>$ I

(d) IV $>$ I $>$ II $>$ III

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Answer:

Correct Answer: 15. (d)

Solution:

  1. IV is most basic as conjugate acid is stabilised by resonance of two $-NH _2$.

III is least basic as

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Destablised by $-I$-effect of $s p^{2}$-carbons.



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