1.

If in a solvent, n simple molecules of solute combine of form an associated molecule, alpha is the degree of association, then Van't Hoff factor is equal to

Answer»

`(1)/(1- N alpha)`
`(1-alpha + n alpha)/(1)`
`(1-alpha+ alpha//n)/(1)`
`(alpha/n - 1+ alpha)/(1)`

Solution :`{:(" nX",HARR," X"_(n)),(1-alpha,,alpha//5):}`
Total moles after ASSOCIATION `=1-alpha+ alpha//n`
Van.t Hoff factor, `i=(1-alpha+alpha//n)/(1)`


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