Which of the following is better nucleophile?

H_{2} O

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{H O}^{-}

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C_{2} H_{5} O^{-}

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{C H}_{3} {C O O}^{-}

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Solution

The correct option is A ${H O}^{-}$
If less electronegative atoms are attached to $O$ , it is better nucleophile..
Hence ${O H}^{-}$ is better nucleophile.

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Similar questions

{H O}^{-}, {C H}_{3} O^{-}, {C H}_{3} \equiv C^{-}, {C H}_{3} {C O O}^{-}

O H^{⊖}

C H_{3} - C H | C_{2} H_{5} - B r

C H_{3} - B r | C | C_{2} H_{5} - C H_{3}

C H_{3} - C H | C_{2} H_{5} - C H_{2} B r

C_{2} H_{5} O C_{2} H_{5}

C H_{3} - O - C | H C H_{3} - C H_{3}

{C H}_{3} - O - C_{2} H_{5} H_{2} {S O}_{4}, H_{2} O - ------ \to c o n c

{C H}_{3} C O O H + H_{2} O ⇌ {C H}_{3} {C O O}^{-} + H_{3} O^{+}

1.8 \times 10^{- 5}

{C H}_{3} C O O H + {O H}^{-} ⇌ {C H}_{3} {C O O}^{-} + H_{2} O

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