NCERT · Class 12 · Chemistry · SolutionsWhich of the following units is useful in relating concentration of solution with its vapour pressure?
Step-by-Step Solution
Mole fraction is useful in relating concentration of solution with its vapour pressure according to Raoult's law, which states that the partial vapour pressure of each component of solution is directly proportional to its mole fraction present in solution.
Detailed Options Breakdown
Option : Mole fraction (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Parts per million
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Solutions.
Option 2: Mass percentage
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Solutions.
Option 3: Molality
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Solutions.
💡 Study Guide: This question tests core syllabus concepts from Solutions. For formulas, key summaries, and mock exam reference guides, read the full Solutions Revision Notes.