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MCQMediumJEE Main 2026 · 24 January, Shift 2Alcohols

Chemistry Question from JEE Main 2026 · 24 January, Shift 2

From the following, how many compounds contain at least one secondary alcohol?

Six structures labelled (I) to (VI). (I) is a carbamic acid HO-CO-N(CH2CH2OH)2 bearing two primary alcohol arms. (II) is 2-methylbutane-1,2-diol drawn as CH3CH2-C(OH)(H)-CH2OH, i.e. a stereocentre carrying OH and H next to a CH2OH. (III) is a 4-methylcyclohex-3-ene ring whose ring carbon carries an OH and a C(CH3)2OH group. (IV) is a methyl furanose ring with an exocyclic HOCH2-CH(OH)- arm and ring hydroxyls, one ring carbon also carrying a CH3. (V) is 3-methylpentane-2,3-diol, drawn as CH3CH2-C(OH)(CH3)-CH(OH)-CH3. (VI) is 2,3-dimethylbutane-1,2,3-triol, with two hydroxyl-bearing quaternary carbons and one CH2OH.
  • A

    Three

  • B

    Four

  • C

    Five

  • D

    Two

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