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Identify the final product [D] obtained in the following sequence of reactions. CH_3 CHO→ _H_3 O^+^i) LiAlH_4[A]→ _Δ ^H_2 SO_4[B]overset HBr → [C]→ _…

NEET UG 2023 — Chemistry Organic Chemistry

2023mcqhard

Identify the final product [D] obtained in the following sequence of reactions.

CH3CHO→H3O+i)LiAlH4[A]→ΔH2SO4[B]→HBr[C]→Na/DryetherC6H5Br[D]{\mathrm{CH}}_{3}\mathrm{CHO}\rightarrow _{{H}_{3}{O}^{+}}^{i){\mathrm{LiAlH}}_{4}}[A]\rightarrow _{\Delta }^{{H}_{2}{\mathrm{SO}}_{4}}[B]\overset{\mathrm{HBr}}{\rightarrow }[C]\rightarrow _{\mathrm{Na}/\mathrm{Dry}\mathrm{ether}}^{{C}_{6}{H}_{5}\mathrm{Br}}[D]CH3​CHO→H3​O+i)LiAlH4​​[A]→ΔH2​SO4​​[B]→HBr[C]→Na/DryetherC6​H5​Br​[D]

Official previous-year question

Held on 30 Apr 2023 · Verified 9 Jul 2026.

Options

  1. A

    CH≡C−Na+\mathrm{CH}\equiv {C}^{-}{\mathrm{Na}}^{+}CH≡C−Na+

  2. B

    NEET 2023 Chemistry, Alcohols Phenols and Ethers — option B figure

  3. C

    NEET 2023 Chemistry, Alcohols Phenols and Ethers — option C figure

  4. D

    C4H10{C}_{4}{H}_{10}C4​H10​

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