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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 · Q72 of 120

Geo-Scientist Prelims 2022 Chemistry Q72: Consider the following statements :

QuestionElectrochemistry / Kohlrausch's law

Consider the following statements :

  1. Statement-1 : Near the lower value of the concentration, Λ_m (molar conductivity) of CH₃COOH increases sharply on dilution.
  2. Statement-2 : Λ°_m (limiting molar conductivity) is obtained by using the Kohlrausch law of independent migration of ions.

Which one of the following is correct in respect of the above statements?

  1. (a) Both Statement-1 and Statement-2 are correct
  2. (b) Statement-1 is correct but Statement-2 is incorrect
  3. (c) Both Statement-1 and Statement-2 are incorrect
  4. (d) Statement-1 is incorrect but Statement-2 is correct

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