3.2 moles of hydrogen iodide were heated in a sealed bulb at 4440C till the equilibrium state was reached. Its degree of dissociation at this temperature was found to be 22%. The number of moles of hydrogen iodide present at equilibrium are:
A
2.496
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B
1.87
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C
2
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D
4
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Solution
The correct option is A2.496 Concentration of HI is 3.2
Degree of dissociation= 22%
Degree of dissociation= NumberofmolesdissociatedNumberofmolespresentinitially