When glycerin is added to a litre of water, which of the following is observed? — Solutions and Colligative Properties Chemistry Question

💡 Solution & Explanation

Glycerin is a non-volatile liquid solute that mixes well with water. Adding a non-volatile solute to a solvent causes the vapour pressure to drop, which elevates the boiling point and depresses (lowers) the freezing point of the solvent. Therefore, correct answer is C.