Which of the following statements is false?
(i) Units of atmospheric pressure and osmotic pressure are the same.
(ii) In reverse osmosis, solvent molecules move through a semipermeable
membrane from a region of lower concentration of solute to a region of
(iii) The value of molal depression constant depends on nature of solvent.
(iv) Relative lowering of vapour pressure, is a dimensionless quantity.
NCERT Class XII
Chemistry - Exemplar Problems
Chapter 2. Solutions