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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 · 2021 · Paper II, Chemistry · Q28 of 120

Geo-Scientist Prelims 2021 Chemistry Q28: Which one of the following equilibria will shift to the left in…

QuestionChemical equilibrium / Le Chatelier

Which one of the following equilibria will shift to the left in response to increase in pressure?

  1. (a) N₂ + 3H₂ ⇋ 2NH₃ + 22.2 Kcal
  2. (b) H₂ + I₂ + 12.4 Kcal ⇋ 2HI
  3. (c) N₂ + O₂ ⇋ 2NO – 43.2 Kcal
  4. (d) N₂O₄ + 14 Kcal ⇋ 2NO₂

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