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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 · Q87 of 120

Geo-Scientist Prelims 2023 Chemistry Q87: Which one of the following compounds does not contain plane of…

QuestionStereochemistry / symmetry elements

Which one of the following compounds does not contain plane of symmetry ?

UPSC Combined Geo-Scientist Prelims 2023 Paper II (Chemistry), Q87: answer options as printed
  1. (a) Butane-2,3-diol drawn as (2R,3S) (meso)
  2. (b) cis-Cyclopropane-1,2-diol
  3. (c) cis-1,3-Dimethylcyclopentane
  4. (d) Butane-2,3-diol drawn as (2S,3S)

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