1.

Which one of the following gases has the lowest value of Henry's law constant?

Answer»

`N_(2)`
`He`
`H_(2)`
`CO_(2)`

Solution :According to HENRY's law the mass of a gas dissolved PER unit VOLUME of SOLVENT is PROPORTIONAL to the pressure of the gas at constant temperature m = K p i.e.as the solubility increases, value of Henry's law constant decreases. Since `CO_(2)` is most soluble in water among the given set of gases. Therefore `CO_(2)` has the lowest value of Henry's law constant.


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