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Relative lowering of vapour pressure is a colligative

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.

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