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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 · 2022 · Paper II, Chemistry · Q30 of 120

Geo-Scientist Prelims 2022 Chemistry Q30: The molar equilibrium constant of pure water (K_w) at 25 °C is

QuestionIonic equilibrium / ionic product of water

The molar equilibrium constant of pure water (K_w) at 25 °C is

  1. (a) 1·0 × 10⁻⁷
  2. (b) 1·0
  3. (c) 1·0 × 10⁻¹⁴
  4. (d) 1·0 × 10⁷

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