Consider the following reactions and their equilibrium constants at 303 K. PCl5(g) equilibrium reaction arrow 1/4 P4(g) + 5/2 Cl2(g); Kc = 1.18 ✕ 10−21 1/4 P4(g) + 3/2 Cl2(g) equilibrium reaction arrow PCl3(g); Kc = 2.28 ✕ 1026 Calculate Kc for PCl5(g) equilibrium reaction arrow PCl3(g) + Cl2(g) at the same temperature.

The value of for the net reaction is

Explanation:

The given chemical equations follows:

Equation 1:  

Equation 2:  

The net equation follows:

As, the net reaction is the result of the addition of two above equations. So, the equilibrium constant for the net reaction will be the multiplication of two above equations.

The value of equilibrium constant for net reaction is:

We are given:

Putting values in above equation, we get:

Hence, the value of for the net reaction is

answer: option (b) is the correct answer.

explanation:

intensive property is the physical property which does not depend on the size of system or amount of material present in system.

for example, color, density, melting point, boiling point etc are all intensive properties.

thus, we can conclude that the boiling point and color of a substance are both examples of intensive properties because they do not depend on the amount of matter in the sample.