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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 · 2024 · Paper II, Chemistry · Q24 of 120

Geo-Scientist Prelims 2024 Chemistry Q24: The bond angle in H₂O molecule is 104·5°. The p-character in…

QuestionChemical bonding / Coulson's hybridisation

The bond angle in H₂O molecule is 104·5°. The p-character in non-bonding set of orbitals will be [where cos (104·5°) = −0·25]

  1. (a) 20%
  2. (b) 70%
  3. (c) 75%
  4. (d) 80%

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