Solutions Question 247

Question: Molar solubility of helium, nitrogen and oxygen are plotted against partial pressure of the gas at constant temperature. Henry’s law constant for hese gases will lie in the following sequence-

Options:

A) $ O_2>N_2>He $

B) $ O_2<N_2<He $

C) $ O_2=N_2=He $

D) $ O_2>N_2>He $

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Answer:

Correct Answer: B

Solution:

Gas Temperature $ K_{H} $ (K bar) $ He $ 293 144.97 $ N_2 $ 293 76.48 $ O_2 $ 293 34.86 The higher the value of Henry-s law constant, the lower is the solubility of the gas in the liquid.



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