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MCQEasyJEE Main 2026 · 24 January, Shift 1Electronic Effects (Inductive, Resonance, Hyperconjugation)

Chemistry Question from JEE Main 2026 · 24 January, Shift 1

Arrange the following carbanions in the decreasing order of stability:

I. pp-Br−C6H4−CH2−\mathrm{Br{-}C_6H_4{-}CH_2^-}

II. C6H5−CH2−\mathrm{C_6H_5{-}CH_2^-}

III. pp-CH3O−C6H4−CH2−\mathrm{CH_3O{-}C_6H_4{-}CH_2^-}

IV. pp-CHO−C6H4−CH2−\mathrm{CHO{-}C_6H_4{-}CH_2^-}

V. pp-CH3−C6H4−CH2−\mathrm{CH_3{-}C_6H_4{-}CH_2^-}

Choose the correct answer from the options given below:

  • A

    IV >> I >> II >> V >> III

  • B

    I >> IV >> II >> V >> III

  • C

    I >> II >> IV >> V >> III

  • D

    IV >> II >> I >> III >> V

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