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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 · Q44 of 120

Geo-Scientist Prelims 2026 Chemistry Q44: Which one of the following has the highest value of most probable…

QuestionGaseous state / molecular speeds

Which one of the following has the highest value of most probable speed ?

  1. (a) H₂(g) at −73°C
  2. (b) CH₄(g) at 27°C
  3. (c) N₂(g) at 1027°C
  4. (d) O₂(g) at 0°C

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