Q.

Which of the following graph correctly represents the plots of KH at 1 bar gases in water versus temperature           [2025]

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4  

Ans.

(4)

The Henry’s constant normally increases with increase in temperature at low temperature, reaches a maximum and then decreases at higher temperatures. Also KH value of He is more than that of N2 because He is filled in oxygen cylinders of scuba divers instead of nitrogen as solubility of He is low.