According to charles law there will be a change in the volume of a given mass of a gas by 1/273 of its original volume at 0°C if the temperature of the gas is changed by
The value of van der Waal s constant a for gases CO2, N2, and SO2, are 3.59 ,1.39, 1.36, and 6.17 atm dm6 mol-2 respectively the gas which can be most easily liquefied is