MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryChemical EquilibriumEffect of Stoichiometry on K

If the equilibrium constant of the reaction 2HI H I is 0.25, then the equilibrium constant for the reaction H I 2HI would be

A.1

B.2

C.3

D.4✓ Correct

Explanation

The given reaction is 2 2 c 2 2 ' c c ' c 2HI H I K 0.25 H I 2HI 1 K K 1 K 4 0.25 >> >> Reaction (ii) is reverse of reaction (i). Hence, the correct answer is option (d)

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