Question : ______ states that for a solution of volatile liquids, the partial vapour pressure of each component of the solution is directly proportional to its mole fraction present in solution.
Option 1: Dalton’s law
Option 2: Raoult’s law
Option 3: Faraday’s law
Option 4: Boyle’s law
Correct Answer: Raoult’s law
Solution : The correct answer is Raoult’s law.
Raoult's Law states that for a solution of volatile liquids, the partial vapour pressure of each component of the solution is directly proportional to its mole fraction present in the solution. This law applies to ideal solutions, where the interactions between unlike molecules are similar to those between like molecules. It is particularly relevant in the study of colligative properties, such as vapour pressure lowering and boiling point elevation in solutions.
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