JEE MAIN - Chemistry (2019 - 12th April Morning Slot - No. 6)
The increasing order of the pKb of the following compound is :
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(C) < (A) < (D) < (B)
(B) < (D) < (C) < (A)
(B) < (D) < (A) < (C)
(A) < (C) < (D) < (B)
Explanation
Electron Withdrawing Group attached to benzene ring will reduce the
basic strength and increase pKb while Electron Donating Group
decreases pKb.
Correct order of pKb
(B) < (D) < (A) < (C)
Correct order of pKb
(B) < (D) < (A) < (C)
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