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Question

When an electrolyte is dissociated in solution, the van 't Hoff factor (i) is,

A
> 1
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B
< 1
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C
= 0
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D
= 1
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Solution

The correct option is A > 1

If a fraction α of the solute dissociates into n ions, then
i=αn+(1α)=1+α(n1)
So i>1 for electrolytes that dissociate in solution


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