The decreasing order of nucleophilicity among the nucleophiles: (A)CH3 underset undersetO||C-O- (B)CH3O- (C) CN-

Question

The decreasing order of nucleophilicity among the nucleophiles: (A)CH3 underset undersetO||C-O- (B)CH3O- (C) CN- <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/chemistry/b5a611f8bd3bba1408c2bf183c60a60b-.png" /> (A) (C), (B), (A), (D) (B) (B), (C), (A), (D) (C) (D), (C), (B), (A) (D) (A), (B), (C), (D)

Tardigrade Admin · Accepted Answer

If acid is weak, its conjugate base (nucleophile) is strong and vice versa. Acidic nature of IV > I > III > II and nucleophilicity of B > C > A > D

Q. The decreasing order of nucleophilicity among the nucleophiles :
(A) $C H_{3} O ∣∣ C - O^{-}$
(B) $C H_{3} O^{-}$
(C) $C N^{-}$

$(C), (B), (A), (D)$

$(B), (C), (A), (D)$

$(D), (C), (B), (A)$

$(A), (B), (C), (D)$

If acid is weak, its conjugate base (nucleophile) is strong and vice versa.
Acidic nature of IV > I > III > II and nucleophilicity of B > C > A > D

Q. The decreasing order of nucleophilicity among the nucleophiles : (A)CH3​O∣∣​C​−O− (B)CH3​O− (C) CN−

(C),(B),(A),(D)

(B),(C),(A),(D)

(D),(C),(B),(A)

(A),(B),(C),(D)