Question:
Relative lowering of vapour pressure is a colligative property because
_____________.
(i) It depends on the concentration of a non-electrolyte solute in a solution
and does not depend on the nature of the solute molecules.
(ii) It depends on a number of particles of electrolyte solute in a solution and
does not depend on the nature of the solute particles.
(iii) It depends on the concentration of a non-electrolyte solute in solution
as well as on the nature of the solute molecules.
(iv) It depends on the concentration of an electrolyte or nonelectrolyte solute
in solution as well as on the nature of solute molecules.
Solution:
Option (i) and (ii) are the answers.