Two system PCl5(g) ⇌ PCl3(g) + Cl2(g) and COCl(g) ⇌ CO(g) + Cl2(g) are simultaneously in equilibrium — AITS & Test Series Chemistry Question
Question
Two system PCl5(g) ⇌ PCl3(g) + Cl2(g) and COCl(g) ⇌ CO(g) + Cl2(g) are simultaneously in equilibrium in a vessel at constant volume. If some CO is introduced in the vessel, then at new equilibrium, the modes of

Answer: C
💡 Solution & Explanation
2 Cl is present simultaneously in two equilibria. Decrease in its concentration shift both equilibria forward.
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