1.

Assuming the degree of ionization to be equal, the ratio of osmatic pressures of equimolar solution of A1_(2)(SO_(4))_(3),Na_(3)PO_(4) and K_(4)[Fe(CN)_(6)]is

Answer»

`5:04:05`
`4:05:06`
`1:0.8:1`
`0.8:1:1`

Solution :`Al_(2) (SO_(4))_(3)HARR 2 A1^(3+) + 3 SO_(4)^(2-),n=5`
`Na_(3) PO_(4) hArr 3 Na^(+) + PO_(4)^(3-),n=4`
`K_(4)[FE(CN)_(6)] hArr 4K^(+)+[Fe(CN)_(6)]^(4-),n=5`:. Ratio is 5:4:5 i.e. 1:0.8:1


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