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# A solution of sucrose (molar mass = 342) has been prepared by dissolving 68.4g of sucrose in one kg of water. $K_f$ for water is 1.86 $K kg mol^{–1}$ and vapour pressure of water at 298 K is 0.024 atm.The osmotic pressure of the solution at 298 K will be

4.89 atm
Hence (D) is the correct answer.