Which of the following statements is false ?

Options

A. Units of atmospheric pressure and osmotic pressure are the same
B. In reverse osmosis , solvent molecules move through a semipermeable membrane from a region of lower concentration of solute to a region of higher concentration
C. The value of molal depression constant depends on nature of solvent
D. Relative lowering of vapour pressure , is a dimensionless quantity .

Answer

B

Explanation

If a pressure higher than the osmotic pressure is applied on the solution, then reverse osmosis takes place i.e., the solvent will flow from the solution (i.e. , high conc.of solute ) into the pure solvent (i.e., low conc. Of solute ) through the semipermeable membrane.