MCQMediumJEE Main 2023 · 30 January, Shift 2Electrophilic Substitution in Benzene

Chemistry Question from JEE Main 2023 · 30 January, Shift 2

In the above conversion of compound (X) to product (Y), the sequence of reagents to be used will be:

Reaction scheme showing p-nitrotoluene as compound X converted to dibromotoluene product Y with bromine atoms at two ring positions and methyl group retained.
  • A

    (i) Br2\mathrm{Br_2}, Fe (ii) Fe, H+\mathrm{H^+} (iii) LiAlH4\mathrm{LiAlH_4}

  • B

    (i) Br2\mathrm{Br_2}(aq) (ii) LiAlH4\mathrm{LiAlH_4} (iii) H3O+\mathrm{H_3O^+}

  • C

    (i) Fe, H+\mathrm{H^+} (ii) Br2\mathrm{Br_2}(aq) (iii) HNO2\mathrm{HNO_2} (iv) CuBr\mathrm{CuBr}

  • D

    (i) Fe, H+\mathrm{H^+} (ii) Br2\mathrm{Br_2}(aq) (iii) HNO2\mathrm{HNO_2} (iv) H3PO2\mathrm{H_3PO_2}

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