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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 · Q64 of 120

Geo-Scientist Prelims 2024 Chemistry Q64: Consider the following statements regarding Henry's law :

QuestionSolutions / Henry's law

Consider the following statements regarding Henry's law :

  1. The Henry's law constant depends on the nature of the gas.
  2. CO₂ is more soluble than O₂.
  3. The Henry's law constant does not depend on the nature of the solvent.
  4. The Henry's law constant depends on the temperature.

(The Henry's law constant values of CO₂ and O₂ in water at 298 K are 3·01 × 10³ kPa kg mol⁻¹ and 7·92 × 10⁴ kPa kg mol⁻¹, respectively)
Which of the statements given above are correct?

  1. (a) 1 and 2 only
  2. (b) 1, 2 and 3
  3. (c) 1, 2 and 4
  4. (d) 3 and 4

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