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Order of stability of given carbanions

This type of question, asked 3 times: 24 Jan 2026 S1, 28 Jan 2026 S1, 5 Apr 2026 S1. All 3 questions below, oldest first.

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  1. Question 1

    24 Jan 2026 S1

    44
    Arrange the following carbanions in the decreasing order of stability (I) (II) (III) (IV) (V) Choose the correct answer from the options given below :

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  2. Question 2

    28 Jan 2026 S1

    27
    CORRECT order of stability for the following is CH2=CH−,CH3−CH2−,CH≡C−CH_{2}=CH^{-},CH_{3}-CH_{2}^{-},CH \equiv C^{-}

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  3. Question 3

    5 Apr 2026 S1

    38
    Given below are two statements : Statement I: On the basis of inductive effect, the order of stability of alkyl carbanions is CH3−>CH3−CH2−>(CH3)2CH−>(CH3)3C−{CH}_{3}^{-} > {CH}_{3} - {CH}_{2}^{-} > \left( {CH}_{3} \right)_{2}{CH}^{-} > \left( {CH}_{3} \right)_{3}C^{-}. Statement II : Allyl and benzyl carbanions are more stabilised by inductive effect and not by resonance effect. In the light of the above statements choose the correct answer from the options given below

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