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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 · Q62 of 120

Geo-Scientist Prelims 2022 Chemistry Q62: Which one of the following is correct for an endothermic reaction A…

QuestionThermodynamics / spontaneity

Which one of the following is correct for an endothermic reaction A → B that proceeds spontaneously?

  1. (a) ΔS is positive and TΔS > ΔH
  2. (b) ΔH is positive and ΔH > TΔS
  3. (c) ΔS is negative and TΔS > ΔH
  4. (d) ΔH is positive and TΔS = ΔH

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