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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 · Q97 of 120

Geo-Scientist Prelims 2024 Chemistry Q97: The major products formed in E2 and SN2 reactions of the substrate…

QuestionStereochemistry / E2 and SN2 stereospecificity

The major products formed in E2 and SN2 reactions of the substrate [X] with sodium methoxide, respectively, are

UPSC Combined Geo-Scientist Prelims 2024 Paper II (Chemistry), Q97: figure printed with the question
  1. (a) (Z)-3-methylhex-3-ene and (3R, 4R)-3-methoxy-4-methylhexane
  2. (b) (Z)-3-methylhex-3-ene and (3R, 4S)-3-methoxy-4-methylhexane
  3. (c) (E)-3-methylhex-3-ene and (3R, 4S)-3-methoxy-4-methylhexane
  4. (d) (E)-3-methylhex-3-ene and (3R, 4R)-3-methoxy-4-methylhexane

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