2gm of hydrogen is present in a closed vessel at S.T.P. If the same quantity of another gas 'X' when introduced into the vessel the pressure becomes 1.5 atm. The gas 'X' would be

2gm of hydrogen is present in a closed vessel at S.T.P. If the same qu

1.	2gm of hydrogen is present in a closed vessel at S.T.P. If the same quantity of another gas 'X' when introduced into the vessel the pressure becomes 1.5 atm. The gas 'X' would be
Answer» `CH_(4)` `SO_(2)` He `O_(2)` ANSWER :C