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Express the Equilibrium Constant for the Following Reaction:
PCl5(g)

Question 3

Multiple Choice

Express the equilibrium constant for the following reaction:
PCl5(g) ? PCl3(g) + Cl2(g)


A) KP = P(PCl5) P(PCl3) ×P(Cl2) \frac { \mathrm { P } \left( \mathrm { PCl } _ { 5 } \right) } { \mathrm { P } \left( \mathrm { PCl } _ { 3 } \right) \times \mathrm { P } \left( \mathrm { Cl } _ { 2 } \right) }
B) KP = P2(PCl3) ×P2(Cl2) P2(PCl5) \frac { \mathrm { P } ^ { 2 } \left( \mathrm { PCl } _ { 3 } \right) \times \mathrm { P } ^ { 2 } \left( \mathrm { Cl } _ { 2 } \right) } { \mathrm { P } ^ { 2 } \left( \mathrm { PCl } _ { 5 } \right) }
C) KP = P(PCl3) ×P2(Cl) P(PCl5) \frac { \mathrm { P } \left( \mathrm { PCl } _ { 3 } \right) \times \mathrm { P } ^ { 2 } ( \mathrm { Cl } ) } { \mathrm { P } \left( \mathrm { PCl } _ { 5 } \right) }
D) KP = P(PCl3) ×P(Cl2) P(PCl5) \frac { \mathrm { P } \left( \mathrm { PCl } _ { 3 } \right) \times \mathrm { P } \left( \mathrm { Cl } _ { 2 } \right) } { \mathrm { P } \left( \mathrm { PCl } _ { 5 } \right) }
E) KP = P1/2(PCl5) P1/2(PCl3) ×P1/2(Cl2) \frac { \mathrm { P } ^ { 1 / 2 } \left( \mathrm { PCl } _ { 5 } \right) } { \mathrm { P } ^ { 1 / 2 } \left( \mathrm { PCl } _ { 3 } \right) \times \mathrm { P } ^ { 1 / 2 } \left( \mathrm { Cl } _ { 2 } \right) }

Correct Answer:

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