1.

For different aqueous solutions of `0.1N` urea, `0.1N NaCl, 0.1N Na_(2)SO_(4)` and `0.1N Na_(3)PO_(4)` solution at `27^(@)C`, select the correct statements:A. The order of osmotic pressure is, urea `gtNaClgtNa_(2)SO_(4)gtNa_(3)PO_(4)`B. The order of vapour pressure is , `Na_(3)PO_(4)gtNa_(2)SO_(4)gtNaClgt`ureaC. The order of boiling point `(T_(B))` is urea,`gt NaClgtNa_(2)SO_(4)gtNa_(3)PO_(4)`D. The order of freezing point `(T_(f))` is, urea `gtNaClgtNa_(2)SO_(4)gtNa_(3)PO_(4)`

Answer» Correct Answer - 4
`pi =MRTi`
Hence, `DeltaT_(b)=mK_(p)i," "Delta_(i)=mK_(t)xxi`


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