The average kinetic energies of helium (mol.wt.4), methane (mol.wt.16) and sulphurdioxide (mol.wt.64), at certain temperature are respectively x, y and z kJ mol^(-1) . The ratio of x, y and z is

The average kinetic energies of helium (mol.wt.4), methane (mol.wt.16)

1.	The average kinetic energies of helium (mol.wt.4), methane (mol.wt.16) and sulphurdioxide (mol.wt.64), at certain temperature are respectively x, y and z kJ mol^(-1) . The ratio of x, y and z is
Answer» `1 :4: 16` `1 :2: 4` `1 :1:1` `4:2:1` Answer :C