Among the given statements only (c) statement is correct about the Henry's law constant. Other statement are incorrect because (a) KH​ is a function of the nature of the gas and solvent used, thus KH​ value is not same for a gas in any solution. (b) Higher the KH​ value, less the solubility of the gas. (d) Easily liquefiable gases usually have higher KH​ values.