Changing the volume of the system does not after the number of moles in which of the following equilibrium.

Options

A. `N_(2)(g) + O_(2) (g) hArr 2NO(g)`
B. `PCI_(5)(g) hArr PCI_(3)(g) +CI_(2) (g)`
C. `N_(2)(g) +3H_(2) (g) hArr 2NH_(3)(g)`
D. `SO_(2)CI_(2)(g) hArr SO_(2)(g) + CI_(2)(g)`

Answer

A

Explanation

Since the no. of moles of gaseous reactants & products are equal change in volume does not alter the number of moles.