Assertion: An aqueous solution of NaCl freezes below 273 K. Reason: Vapour pressure of the solution is less than that of the pure solvent. A. If both Assertion and Reason are correct and reason is the correct explanation of Assertion . B. If both Assertion and Reason are correct and reason is not correct explanation of Assertion C. If Assertion is correct but Reason is incorrect. D. If Assertion is incorrect and Reason is correct.

Assertion: Isotonic solutions do not show any osmosis when placed side by side. Reason: Isotonic solutions have same solute concentration. A. If both Assertion and Reason are correct and reason is the correct explanation of Assertion . B. If both Assertion and Reason are correct and reason is not correct explanation of Assertion C. If Assertion is correct but Reason is incorrect. D. If Assertion is incorrect and Reason is correct.

Assertion: Molarity of the solution changes with temperature. Reason: Molarity is a colligative property. A. If both Assertion and Reason are correct and reason is the correct explanation of Assertion . B. If both Assertion and Reason are correct and reason is not correct explanation of Assertion C. If Assertion is correct but Reason is incorrect. D. If Assertion is incorrect and Reason is correct.

Assertion: Cooking time is reduced in pressure cooker. Reason: Boiling point of water inside the pressure cooker is lowered. A. If both Assertion and Reason are correct and reason is the correct explanation of Assertion . B. If both Assertion and Reason are correct and reason is not correct explanation of Assertion C. If Assertion is correct but Reason is incorrect. D. If Assertion is incorrect and Reason is correct.

Assertion: 1 M glucose will have a higher boiling point than 2 M glucose. Reason: Elevation in boiling point is a colligative property which depends upon the number of particles of solute in the solution. A. If both Assertion and Reason are correct and reason is the correct explanation of Assertion . B. If both Assertion and Reason are correct and reason is not correct explanation of Assertion C. If Assertion is correct but Reason is incorrect. D. If Assertion is incorrect and Reason is correct.