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QJEEM19Cha1f0: JEE Main 2019 Chemistry - Class 11 JEEM19Cha1f0 Solution: The increasing order of the pK b of the following compound is :
The increasing order of the pKb of the following compound is : 

Multiple Choice Options
- A (C) < (A) < (D) < (B)
- B (B) < (D) < (C) < (A)
- C (B) < (D) < (A) < (C)
- D (A) < (C) < (D) < (B)
Step-by-Step Verified Solution
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)