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Question

At a given temperature, the equilibrium constant for the reaction PCl5(g)PCl3(g)+Cl2(g) is 2.4×103. At the same temperature, the equilibrium constant for the reaction PCl3(g)+Cl2(g)PCl5(g) is:
  1. 2.4×103
  2. 2.4×103
  3. 4.2×102
  4. 4.8×102

A
4.2×102
B
2.4×103
C
2.4×103
D
4.8×102
Solution
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When the reaction PCl5(g)PCl3(g)+Cl2(g) is reversed, the reaction PCl3(g)+Cl2(g)PCl5(g) is obtained.

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At a given temperature, the equilibrium constant for reaction

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Q2
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