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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 · Q32 of 120

Geo-Scientist Prelims 2026 Chemistry Q32: What will happen, if a 1·0 M solution of a weak acid is diluted to…

QuestionIonic equilibrium / Ostwald dilution law

What will happen, if a 1·0 M solution of a weak acid is diluted to 0·01 M at constant temperature ?

  1. (a) K_a will increase
  2. (b) Degree of ionization will increase
  3. (c) pH will decrease by 2 units
  4. (d) [H⁺] will decrease to 0·01 M

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