Q.

According to Henry’s law, the partial pressure of gas (Pg) is directly proportional to mole fraction of gas in liquid solution,Pgas=KH.Xgas, where   KH is henry’s constant. Which is incorrect?

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a

Higher is the value of KH, lower is solubility of gas for a given partial pressure of gas 

b

KH has temperature dependence

c

KH  is characteristic constant for a given gas-solvent system. 

d

KH decreases with increases of temperature

answer is D.

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Detailed Solution

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As the temperature increases KH increases.

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According to Henry’s law, the partial pressure of gas (Pg) is directly proportional to mole fraction of gas in liquid solution,Pgas=KH.Xgas, where   KH is henry’s constant. Which is incorrect?