InterviewSolution
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InterviewSolution
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u) 0.90(2001)14 Which one of the following statements givenbelow regarding properties of solutions, describesa colligative effect?a) Boiling point of pure water decreases by(b) Vapour pressure of pure water decreases by(c) Vapour pressure of pure benzene decreasesthe addition of ethanol.the addition of nitric acid.by the addition of naphthalene.the addition of toluene.(d) Boiling point of pure benzene increasest2003 |
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Answer» The option is (c) The colligative properties are properties of dilute solutions of non volatile solutes whose value depend on concentration of solute particles in the solution. Naphthalene is a non-volatile solid, hence in addition in benzene decrease its vapour pressure. |
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