Correct increasing order of Kb values for A = C2H5NH2 ; B = C2H52NH; C = C2H53N; D = C6H5CH2NH2

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A, B, C, D

D, C, B, A

D, A, C, B

D, A, B, C

answer is C.

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Detailed Solution

In aqueous solutionKb ∝ OH−kb value depends on cumulative effect of inductive effect, H–bonding and steric factors.Kb of C2H52NH > C2H53N > C2H5NH2> C6H5−CH2NH2 B C A D Increasing order will be D, A, C, B

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