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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 · 2023 · Paper II, Chemistry · Q91 of 120

Geo-Scientist Prelims 2023 Chemistry Q91: The most stable conformer of cis-1, 3-dimethylcyclohexane is :

QuestionConformational analysis / cyclohexanes

The most stable conformer of cis-1, 3-dimethylcyclohexane is :

UPSC Combined Geo-Scientist Prelims 2023 Paper II (Chemistry), Q91: answer options as printed
  1. (a) Chair with both CH₃ axial (same side)
  2. (b) Chair with both CH₃ equatorial
  3. (c) Chair with one CH₃ axial and one equatorial
  4. (d) Chair with CH₃ groups axial up and axial down on adjacent carbons

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