Maximum deviation from ideal gas is expected in case of-

Options

A. `CH_(4)(g)`
B. `NH_(3)(g)`
C. `H_(2)(g)`
D. `N_(2)(g)`

Answer

B

Explanation

`CH_(4),H_(2) and N_(2)` are non-pola molecules. Only intermolecular forces that operate in `CH_(4),H_(2) and N_(2) ` gases are weak Londong forces. As `NH_(3)` is a polar molecule, besides weak Londong forces, relatively stronger dipole-dipole attractive forces also act among the molecules in `NH_(3)` gas. so, amongg the given gases, intermolecular forces of attraction will be strongest in `NH_(3)`, and hence it will show maximum deviation from ideal behaviour.