Question:
At 298 K, liquid A (solute) forms an ideal solution with liquid B (solvent). The following graph is obtained for this solution.
Identify the correct statements about this graph:
I) x-axis represents the mole fraction of A
II) Point Z represents the vapour pressure of pure solvent
III) x-axis represents the mole fraction of B
At 298 K, liquid A (solute) forms an ideal solution with liquid B (solvent). The following graph is obtained for this solution.
Identify the correct statements about this graph:
I) x-axis represents the mole fraction of A
II) Point Z represents the vapour pressure of pure solvent
III) x-axis represents the mole fraction of B
Show Hint
For an ideal solution, total vapour pressure varies linearly with the mole fraction of components.
Updated On: Jan 6, 2026
- I only
- II only
- II, III only
- I, II, III
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The Correct Option is C
Solution and Explanation
In the given diagram, x-axis typically represents mole fraction of the solvent (component B), and point Z represents the vapour pressure of pure solvent, not solute. So, statements II and III are correct. Statement I is incorrect.
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