The increasing order of the pKb of the following compound is :
a) |
(B) < (D) < (A) < (C) |
b) |
(A) < (C) < (D) < (B) |
c) |
(B) < (D) < (C) < (A) |
d) |
(C) < (A) < (D) < (B) |
The increasing order of the pKb of the following compound is :
a) |
(B) < (D) < (A) < (C) |
b) |
(A) < (C) < (D) < (B) |
c) |
(B) < (D) < (C) < (A) |
d) |
(C) < (A) < (D) < (B) |
EWG attached to benzene ring will reduce the basic strength and increase pKb while EDG decreases pKb. Correct order of pKb (C) > (A) > (D) > (B)