Higher the value of \(\mathrm{K}_{\mathrm{H}}\) at a given pressure, lower is the solubility of the gas in the liquid.
\(\mathrm{K}_H\) value of gases (given) : \(A>C>B\)
\(\therefore \quad\) Order of solubility of gases in water : \(\mathrm{B}>\mathrm{C}>\mathrm{A}\)