The value for Henry’s constant for argon, carbon dioxide, methane and vinyl chloride at 298 K are 40.3 kbar, 1.67 kbar, 0.413 kbar and 0.611 kbar respectively. Which of the gas will be having least solubility?
A
Argon
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B
Vinyl chloride
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C
Carbon dioxide
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D
Methane
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Solution
The correct option is A Argon The higher the value of KH, the lower is the solubility of the gas in the liquid. Hence the order of increasing solubility of the gases will be Ar<CO2<CH4<HCHO