MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryChemical EquilibriumPrevious Year Questions
When H2 and I2 are mixed and equilibrium is attained, then H I 2HI (PMT 2002)
A.amount of HI formed is equal to the amount of H2
B.HI dissociation stops
C.The reaction stops completely
D.none of these✓ Correct
Explanation
The given reaction is: 2 2 H + I 2HI From the reaction we can say that 1 mole of 2 H gives 2 mole of HI and at the time of equilibrium the reaction don’t stop, but the rate of the forward reaction becomes equal to the rate of the backward reaction. Hence, the correct answer is option (d)
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