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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 · 2023 · Paper II, Chemistry · Q75 of 120

Geo-Scientist Prelims 2023 Chemistry Q75: The molar conductivity of acetic acid solution at infinite dilution…

QuestionElectrochemistry / Ostwald dilution law

The molar conductivity of acetic acid solution at infinite dilution is 390 S cm² mol⁻¹. The molar conductivity of 0·01 M acetic acid solution is : (where, dissociation constant of acetic acid is 1·8 × 10⁻⁵)

  1. (a) 1·654 S cm² mol⁻¹
  2. (b) 1·853 S cm² mol⁻¹
  3. (c) 16·54 S cm² mol⁻¹
  4. (d) 18·53 S cm² mol⁻¹

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