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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 · 2025 · Paper II, Chemistry · Q29 of 120

Geo-Scientist Prelims 2025 Chemistry Q29: Which one of the following statements is true for geometrical and…

QuestionCoordination chemistry / isomerism

Which one of the following statements is true for geometrical and optical isomers for a [Ma₂b₂c₂] complex, where a, b and c are monodentate ligands ?

  1. (a) Six geometrical isomers and all are optically active.
  2. (b) Five geometrical isomers among which, one is optically active.
  3. (c) Four geometrical isomers among which, two are optically active.
  4. (d) Three geometrical isomers and all are optically active.

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