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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 · 2026 · Paper II, Chemistry · Q25 of 120

Geo-Scientist Prelims 2026 Chemistry Q25: The spin only magnetic moment of [Cr(CO)₆] is

QuestionCoordination chemistry / magnetic moment

The spin only magnetic moment of [Cr(CO)₆] is

  1. (a) 2·84 BM
  2. (b) 5·92 BM
  3. (c) 4·90 BM
  4. (d) 0 BM (diamagnetic)

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