1.

Which among the foJlm.ving will show maximum osmotic pressure?

Answer»

`1M NaCl`
`1 M M gCl_(2)`
`1 M (NH_(4)) _(3) PO _(4)`
`1 M Na_(2) SO_(4)`

Solution :Vant Hoff factor `I =4` in case of `(NH_(4)) _(3) PO_(4),`
`(NH_(4)) _(3) PO _(4) HARR 3 OVERSET(+) N H _(4)+ PO_(4) ^(3-)`


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