MCQMediumJEE Main 2023 · 31 January, Shift 1Alkenes (Electrophilic Addition, Polymerisation)

Chemistry Question from JEE Main 2023 · 31 January, Shift 1

Choose the correct set of reagents for the following conversion trans (Ph−CH=CH−CH3)→cis (Ph−CH=CH−CH3)trans\ (Ph-CH=CH-CH_3) \rightarrow cis\ (Ph-CH=CH-CH_3)

  • A

    Br2, alc. KOH, NaNH2, Na(Liq NH3)Br_2, \, alc.\ KOH, \, NaNH_2, \, Na(Liq\ NH_3)

  • B

    Br2, alc. KOH, NaNH2, H2 Lindlar CatalystBr_2, \, alc.\ KOH, \, NaNH_2, \, H_2 \, Lindlar\ Catalyst

  • C

    Br2, aq KOH, NaNH2, H2 Lindlar CatalystBr_2, \, aq\ KOH, \, NaNH_2, \, H_2 \, Lindlar\ Catalyst

  • D

    Br2, aq KOH, NaNH2, Na(Liq NH3)Br_2, \, aq\ KOH, \, NaNH_2, \, Na(Liq\ NH_3)

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