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Question

2HI(g)H2(g)+I2(g)
The equilibrium constant of the above reaction is 6.4 at 300K. If 0.25mole each of H2 and I2 are added to the system, the equilibrium constant will be:
  1. 3.2
  2. 0.8
  3. 1.6
  4. 6.4

A
3.2
B
1.6
C
6.4
D
0.8
Solution
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The correct option is D 6.4
2HI(g)H2(g)+I2(g)
The equilibrium constant of the above reaction is 6.4 at 300K. If 0.25mole each of H2 and I2 are added to the system, the equilibrium constant will be 6.4.
Equilibrium constant depends on temperature and is independent of the actual quantities of reactants and products, the presence of a catalyst and the presence of inert material. It is also independent of concentrations, pressures and volumes of reactants and products.

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