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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 · Q23 of 120

Geo-Scientist Prelims 2025 Chemistry Q23: The hybridization of boron and oxygen atoms in boric acid (H₃BO₃)…

QuestionChemical bonding / hybridisation

The hybridization of boron and oxygen atoms in boric acid (H₃BO₃) are respectively :

  1. (a) sp³ and sp²
  2. (b) sp³ and sp³
  3. (c) sp² and sp²
  4. (d) sp² and sp³

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