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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2024 · Paper II, Chemistry · Q116 of 120

Geo-Scientist Prelims 2024 Chemistry Q116: The major products [X] and [Y] formed in the following reactions are

QuestionRearrangements / pinacol, migratory aptitude

The major products [X] and [Y] formed in the following reactions are

UPSC Combined Geo-Scientist Prelims 2024 Paper II (Chemistry), Q116: figure printed with the question
UPSC Combined Geo-Scientist Prelims 2024 Paper II (Chemistry), Q116: answer options as printed
  1. (a) [X] = (4-MeOC₆H₄)Ph₂C–CO–C₆H₄OMe-4; [Y] = (4-ClC₆H₄)Ph₂C–CO–C₆H₄Cl-4
  2. (b) [X] = (4-MeOC₆H₄)Ph₂C–CO–C₆H₄OMe-4; [Y] = (4-ClC₆H₄)₂PhC–COPh
  3. (c) [X] = (4-MeOC₆H₄)₂PhC–COPh; [Y] = (4-ClC₆H₄)Ph₂C–CO–C₆H₄Cl-4
  4. (d) [X] = (4-MeOC₆H₄)₂PhC–COPh; [Y] = (4-ClC₆H₄)₂PhC–COPh

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