Medium
Change in volume of the system does not alter the number of moles in which of the following equilibrium?
- A$N_{2(g)} + O_{2(g)} \rightleftharpoons 2NO_{(g)}$
- B$PCl_{5(g)} \rightleftharpoons PCl_{3(g)} + Cl_{2(g)}$
- C$N_{2(g)} + 3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$
- D$SO_2Cl_{2(g)} \rightleftharpoons SO_{2(g)} + Cl_{2(g)}$
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