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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 · Q46 of 120

Geo-Scientist Prelims 2026 Chemistry Q46: The Maxwell-Boltzmann distribution curves of oxygen, nitrogen,…

QuestionGaseous state / Maxwell–Boltzmann distribution

The Maxwell-Boltzmann distribution curves of oxygen, nitrogen, carbon dioxide and methane gases were plotted at 300 K and following graph was obtained

UPSC Combined Geo-Scientist Prelims 2026 Paper II (Chemistry), Q46: figure printed with the question

Identify the curves (1, 2, 3 and 4) with the appropriate gases and select the correct answer

  1. (a) 1-CO₂, 2-O₂, 3-N₂, 4-CH₄
  2. (b) 1-CH₄, 2-N₂, 3-O₂, 4-CO₂
  3. (c) 1-CH₄, 2-CO₂, 3-O₂, 4-N₂
  4. (d) 1-CO₂, 2-N₂, 3-O₂, 4-CH₄

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