Engineering
Chemistry
Acid and Base GOC
Question

The increasing order of the pKb of the following compound is -

(B) < (D) < (C) < (A)

(A) < (C) < (D) < (B)

(C) < (A) < (D) < (B)

(B) < (D) < (A) < (C)

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Solution

CH3O–, CH3–, H is electron donating, But –NO2 is electron withdrawing group.