Explain why on addition of 1 mol of NaCl to 1 litre of water, the boiling point of water increases, while addition of 1 mol of methyl alcohol to one litre of water decreases its boiling point.
Define the following terms:
(i) Colligative properties
(ii) Molality (m)
Define the following terms:
(i) Ideal solution
(ii) Molarity (M)
Define the following terms:
(i) Abnormal molar mass
(ii) van’t Hoff factor
A 1.00 molar aqueous solution of trichloroacetic acid (CCl₃COOH) is heated to its boiling point. The solution has the boiling point of 100.18 °C. Determine the van’t Hoff factor for trichloroacetic acid. ( for water = 0.512 K kg mol⁻¹).
Define the following terms :
(i) Mole fraction
(ii) Isotonic solutions
(iii) Van’t Hoff factor
(iv) Ideal solution
What are colligative properties? Write the colligative property which is used to find the molecular mass of macromolecules.
What is meant by elevation in boiling point? Why is it a colligative property?
(i) Write the colligative property which is used to find the molecular mass of macromolecules.
(ii) In non-ideal solution, what type of deviation shows the formation of minimum boiling azeotropes?