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 2 NO_(g)`
B. `PCl_(5(g)) hArr PCl_(3(g))+ Cl_(2(g))`
C. `N_(2(g)) + 3H_(2(g)) hArr 2NH_(3(g))`
D. `SO_(2) Cl_(2(g)) hArr SO_(2(g)) + Cl_(2(g))`

Answer

A

Explanation

` N_(2(g)) + O_(2(g))hArr 2NO_((g)) , Delta n = 2 - 2 = 0`