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JEE Main Chemistry question

ChemistrySolutionsJEE Main

The vapour pressure (VP) of a dilute solution of non-volatile solute is and the VP of pure solvent is . The lowering of the VP is:

Answer: (A)

Solution

A non-volatile solute always lowers the solvent's vapour pressure, so is a positive quantity, confirming option (A).

Question ID VK-143356