The decreasing base strength of OH- NH2- HC- C- and CH3CH2- is-

The conjugate acid are H_2O,NH_3,HC≡ CH andCH_3CH_3.Their order of acid strength is CH_3CH_3 lt;NH_3 lt;HC≡ CH lt;H_2O.Their conjugate base follows revers ...

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Standard XII

Chemistry

Nucleophile

The decreasin...

Question

The decreasing base strength of $O H^{-}, N H_{2}^{-}, H C \equiv C^{-} and C H_{3} C H_{2}^{-}$ is:

C H_{3} C H_{2}^{-} > N H_{2}^{-} > H C \equiv C^{-} > O H^{-}

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H C \equiv C^{-} > C H_{3} C H_{2}^{-} > N H_{2}^{-} > O H^{-}

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O H^{-} > N H_{2}^{-} > H C \equiv C^{-} > C H_{3} C H_{2}^{-}

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N H_{2}^{-} > H C \equiv C^{-} > O H^{-} > C H_{3} C H_{2}^{-}

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Solution

The correct option is A $C H_{3} C H_{2}^{-} > N H_{2}^{-} > H C \equiv C^{-} > O H^{-}$
The conjugate acid are $H_{2} O, N H_{3}, H C \equiv C H and C H_{3} C H_{3}$ .Their order of acid strength is $C H_{3} C H_{3} < N H_{3} < H C \equiv C H < H_{2} O$ .Their conjugate base follows reverse order.

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Similar questions

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

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}^{-}

Q. The correct decreasing order of strength of the bases

O H^{-}

{N H_{2}}^{-}

H C \equiv C^{-}

and

{C H_{3} - C H_{2}}^{-}

is:

Q. What is the decreasing order of strengths of the following bases?

⊝ O H, N H_{2}^{⊝}, H C \equiv C^{⊝}

and

C H_{3} - C H_{2}^{⊝}

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}^{⊝}

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The decreasing base strength of OH−, NH−2, HC≡C− and CH3CH−2 is:

The correct option is A CH3CH−2>NH−2>HC≡C−>OH−The conjugate acid are H2O,NH3,HC≡CHandCH3CH3.Their order of acid strength is CH3CH3<NH3<HC≡CH<H2O.Their conjugate base follows reverse order.

The decreasing base strength of $O H^{-}, N H_{2}^{-}, H C \equiv C^{-} and C H_{3} C H_{2}^{-}$ is:

The correct option is A $C H_{3} C H_{2}^{-} > N H_{2}^{-} > H C \equiv C^{-} > O H^{-}$
The conjugate acid are $H_{2} O, N H_{3}, H C \equiv C H and C H_{3} C H_{3}$ .Their order of acid strength is $C H_{3} C H_{3} < N H_{3} < H C \equiv C H < H_{2} O$ .Their conjugate base follows reverse order.