For the reversible reaction
`N_(2) (g) +3H_(2) (g) hArr 2NH_(3) (g) + " Heat"`
The equilibrium shifts in forward direction

Options

A. by decreasing the concentrations of `N_(2)(g)` and `H_(2)(g)`
B. by increasing pressure and decreasing temperature
C. by increasing the concentration of `NH_(3)(g)`
D. by decreasing the pressure

Answer

B