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in Physical and Chemical Equilibrium by (45.7k points)
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Predict which of the following will have appreciable concentration of reactions and products:

(a) Cl2(g) ⇌ 2Cl(g); KC = 5 x 10-39

(b) Cl2(g) + 2NO(g) ⇌ 2NOCl(g); KC = 3.7 x 108

(c) Cl2(g) + 2NO2(g) ⇌ 2NO2Cl(g); KC = 1.8

1 Answer

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by (44.9k points)
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Best answer

Following conclusion can be drawn from the values of 

(a) Since the value of K is very small, this means that the molar concentration of the products is very small as compared to that of the reactants. 

(b) Since the value of K is quite large, this means that the molar concentration of the products is very large as compared to that of the reactants. 

(c) Since the value of K is 1.8, this means that both the products and reactants have appreciable concentrations.

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