PCl5,PCl3 and Cl2 are at equilibrium at 500 K and having concentration 1.59 M PCl3,1.59 M Cl2 and 1.41M PCl5Calculate KC for the reaction,PCl5⇌PCl3+Cl2

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2.79

3.75

4.57

1.79

answer is D.

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Detailed Solution

The equilibrium constant KC for the reaction can be written as.KC=PCl3Cl2PCl5=(1.59)2(1.41)=1.79

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