Which has the highest nucleophilicity?

F^{-}

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O H^{-}

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C H_{3}^{-}

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{N H_{2}}^{-}

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Solution

The correct option is A $C H_{3}^{-}$
A nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in relation to a reaction
Electronegativity – “greed for electrons” – is the opposite of nucleophilicity – “giving away electrons.
So less the electronegativity more the nucleophilicity of ion.
$-^{-} C H_{3}$ has the highest nucleophilicity.

Nucleophilicity decreases as
${C H_{3}}^{-} > {N H_{2}}^{-} > O H^{-} > F^{-}$

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Which has highest nucleophilic nature

F^-

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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. Consider the following species.
(A)

- O H

(B)

{C H}_{3} - - O

(C)

- C H_{3}

(D)

- N H_{2}

.
Arrange thesec species in their decreasing order of nucleophilicity.

Q. The decreasing nucleophilic order of the following compounds is:

i ._{3}

i i . ⊖ N H_{2}

i i i . ⊖ O H

i v . F^{⊖}

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