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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 · Q11 of 120

Geo-Scientist Prelims 2024 Chemistry Q11: Which one of the following represents the correct order of bond…

QuestionChemical bonding / bond angle (VSEPR)

Which one of the following represents the correct order of bond angle among H₂O, H₂Te, H₂Se and H₂S?

  1. (a) H₂O > H₂S > H₂Se > H₂Te
  2. (b) H₂S > H₂Se > H₂O > H₂Te
  3. (c) H₂O > H₂Se > H₂S > H₂Te
  4. (d) H₂Te > H₂O > H₂S > H₂Se

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