Addition of non-volatile solute to a solvent always inceases the colligative properties such as osmotic pressure, `DeltaP, DeltaT_(b)` and `DeltaT_(f)`. All these colligative properties are direactly propertional to molality if solutions are dilute. The increase in colligative properties on addition of non-volatile solute is due to incease in number of solute particles. For different aqueous solutions of `0.1 N NaCl, 0.1 N` urea, `0.1 N Na_(2)SO_(4)` and `0.1 N Na_(3)PO_(4)` solution at `27^(@)C`, the correct statement are : (P) The order of osmotic pressure is, `NaCl gt Na_(2)SO_(4) gt Na_(3)PO_(4) gt ` urea (Q) `pi = (DeltaT_(b))/(K_(b)) xx ST` for urea solution (R) Addition of salt on ice increases its melting point (S) Addition of salt on ice brings in melting earlierA. 2,3,4B. 2,4C. 1,2,3D. 3,4

Addition of non-volatile solute to a solvent always inceases the colli

1.	Addition of non-volatile solute to a solvent always inceases the colligative properties such as osmotic pressure, `DeltaP, DeltaT_(b)` and `DeltaT_(f)`. All these colligative properties are direactly propertional to molality if solutions are dilute. The increase in colligative properties on addition of non-volatile solute is due to incease in number of solute particles. For different aqueous solutions of `0.1 N NaCl, 0.1 N` urea, `0.1 N Na_(2)SO_(4)` and `0.1 N Na_(3)PO_(4)` solution at `27^(@)C`, the correct statement are : (P) The order of osmotic pressure is, `NaCl gt Na_(2)SO_(4) gt Na_(3)PO_(4) gt ` urea (Q) `pi = (DeltaT_(b))/(K_(b)) xx ST` for urea solution (R) Addition of salt on ice increases its melting point (S) Addition of salt on ice brings in melting earlierA. 2,3,4B. 2,4C. 1,2,3D. 3,4
Answer» Correct Answer - B

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