Correct order of nucleophilicity is:

C H_{3}^{-} < N H_{2}^{-} < O H^{-} < F^{-}

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F^{-} < O H^{-} < C H_{3}^{-} < N H_{2}^{-}

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O H^{-} < N H_{2}^{-} < F^{-} < C H_{3}^{-}

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F^{-} < O H^{-} < N H_{2}^{-} < C H_{3}^{-}

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Solution

The correct option is D $F^{-} < O H^{-} < N H_{2}^{-} < C H_{3}^{-}$
As electronegativity of the central atom decreases, its nucleophilicity increases. Here, carbon has the least electronegativity. So, $C H_{3}^{-}$ will have the highest nucleophilicity.
So, the correct order is $F^{-} < O H^{-} < N H_{2}^{-} < C H_{3}^{-}$ .

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Similar questions

The reactivity of different nucleophiles

(N H_{2}^{-}, C H_{3} C O O^{-}, O H^{-})

is in the order:

The nucleophilicities of $C H_{3}^{⊖}, N H_{2}^{⊖}, O H^{⊖} & F^{⊖}$ decrease in which order?

Which of the following is not correct?

$O r d e r o f b a s i c i t y O r d e r o f n u c l e o p h i l i c i t y (a) F^{-} > C l^{-} > B r^{-} B r_{-} > C l^{-} > F^{-} (b) H - O - O^{-} > O H^{-} H - O - O^{-} > O H^{-} (c) C H_{3} > N H_{2}^{-} > O H - C H_{3} > N H_{2}^{-} > O H^{-} (d) H_{2} O > H_{2} S H_{2} O < H_{2} S$

Q. What is the decreasing order of strength of the bases

O H^{-}, N H_{2}^{-}, H C \equiv C^{⊝}

and

C H_{3} - C H_{2}^{⊝}

What is the decreasing order of strengths of the following bases?
$⊖ O H, N H_{2}^{⊖}, H - C \equiv C^{⊖}, a n d C H_{3} - C H_{2}^{⊖}$

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Correct order of nucleophilicity is:

The correct option is D F−<OH−<NH−2<CH−3As electronegativity of the central atom decreases, its nucleophilicity increases. Here, carbon has the least electronegativity. So, CH−3 will have the highest nucleophilicity.So, the correct order is F−<OH−<NH−2<CH−3.