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For a reaction H2 + I2 2HI at 721 K, the value of equilibrium constant is 50. If 0.5 moles each of H2 and I2 is added to the system the value of equilibrium constant will be
  1. 40
  2. 30
  3. 50
  4. 60

A
30
B
60
C
50
D
40
Solution
Verified by Toppr

The equilibrium reaction is H2(g)+I2(g)2HI(g).
The relationship between Kp and Kc is Kp=Kc(RT)Δn .
For the equilibrium reaction, Δn=2−(1+1)=0.
Hence, Kp =Kc ​ =50.

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