Which observation(s) reflect(s) colligative properties? (i) A 0.5 m NaBr solution has a higher vapour pressure than a 0.5 m BaCl₂ solution at the same temperature (ii) Pure water freezes at the higher temperature than pure methanol (iii) a 0.1 m NaOH solution freezes at a lower temperature than pure water Choose the correct answer from the codes given below
A.If both Assertion and Reason are correct and the
B.If both Assertion and Reason are correct but Reason
C.If the Assertion is correct but Reason is incorrect.