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For the Reaction PCl5 (G)⇌ PCl3 (G)+ Cl2 (G),Kc =

Question 40

Multiple Choice

For the reaction PCl5 (g) ⇌ PCl3 (g) + Cl2 (g) ,Kc = 0.0454 at 261 °C.If a vessel is filled with theses gases such that the initial concentrations are [PCl5] = 0.2 M,[PCl3] = 0.2 M,and [Cl2] = 2.25 M,the value of the reaction quotient is:


A) Qc = 1.8
B) Qc = 0.56
C) Qc = 2.8
D) Qc = 0.0454
E) Qc = 1

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