Q. 165.0( 4 Votes )

Which of the foll

Answer :

Statement (ii) is false, as in reverse osmosis, solvent molecules move through a semi-permeable membrane from a region of higher solute concentration to a lower solute concentration under the application of hydrostatic pressure.

The unit of atmospheric pressure and osmotic pressure is the same i.e. atm.

The value of molal depression constant depends upon the nature of the solvent i.e Tf =Kf * M, where Kf depends on the nature of the solvent.

The relative lowering of vapor pressure is a dimensionless quantity as it is equal to the mole fraction (which is dimensionless).

Thus, Option (ii) is the correct answer.

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