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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 · 2021 · Paper II, Chemistry · Q57 of 120

Geo-Scientist Prelims 2021 Chemistry Q57: What is the sign of ΔG° and the value of K for an electrochemical…

QuestionElectrochemistry / thermodynamics of cells

What is the sign of ΔG° and the value of K for an electrochemical cell for which E°cell = 0.80V?

  1. (a) ΔG° is negative and K >1
  2. (b) ΔG° is positive and K>1
  3. (c) ΔG° is positive and K<1
  4. (d) ΔG° is negative and K<1

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