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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 · 2021 · Paper II, Chemistry · Q26 of 120

Geo-Scientist Prelims 2021 Chemistry Q26: Which one of the following will NOT show optical isomerism?

QuestionCoordination chemistry / optical isomerism

Which one of the following will NOT show optical isomerism?

  1. (a) [Cr(C₂O₄)₃]³⁻
  2. (b) Cis-[PtCl₂(en)₂]²⁺
  3. (c) [Co(EDTA)]⁻
  4. (d) [PtCl₂(NH₃)₂]

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