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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 · Q67 of 120

Geo-Scientist Prelims 2023 Chemistry Q67: If the limiting molar conductance values of Ba²⁺ and Cl⁻ are 127 S…

QuestionElectrochemistry / Kohlrausch’s law

If the limiting molar conductance values of Ba²⁺ and Cl⁻ are 127 S cm² mol⁻¹ and 76 S cm² mol⁻¹ respectively, then molar conductance at infinite dilution for BaCl₂ will be :

  1. (a) 203 S m² mol⁻¹
  2. (b) 279 S m² mol⁻¹
  3. (c) 203 × 10⁻⁴ S m² mol⁻¹
  4. (d) 279 × 10⁻⁴ S m² mol⁻¹

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