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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 · 2024 · Paper II, Chemistry · Q73 of 120

Geo-Scientist Prelims 2024 Chemistry Q73: Consider the following graph showing the variation of molar…

QuestionElectrochemistry / Kohlrausch extrapolation

Consider the following graph showing the variation of molar conductance with concentration :

UPSC Combined Geo-Scientist Prelims 2024 Paper II (Chemistry), Q73: figure printed with the question

Which one of the following statements is correct with respect to the above graph?

  1. (a) Plot 1 can be extrapolated to obtain the molar conductance at infinite dilution of weak electrolytes.
  2. (b) Plot 1 can be extrapolated to obtain the molar conductance at infinite dilution of strong electrolytes.
  3. (c) Plot 2 can be extrapolated to obtain the molar conductance at infinite dilution of strong electrolytes.
  4. (d) Both plots 1 and 2 can be extrapolated to obtain the molar conductance at infinite dilution of strong and weak electrolytes, respectively.

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