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MHT CET202012 Oct 2020Morning ShiftChemistrySolutionsActual

Which of the following changes will cause increase in vapour pressure of 1 molal aqueous KI solution at same temperature?

Options

  1. Aaddition of 0 1 molal solution of NaCl
  2. Baddition of 0.5 molal solution of Na ₂ SO ₄
  3. Caddition of water
  4. Daddition of 1 molal KI solution

Correct answer

B. addition of 0.5 molal solution of Na ₂ SO ₄

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