JEE · NEET Previous Year Question

A solution of two liquids boils at a temperature more than the boiling point of either of them. Hence, the binary solution shows

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

  1. Anegative deviation from Raoult's law
  2. Bpositive deviation from Raoult's law
  3. Cno deviation from Raoult's law
  4. Dpositive or negative deviation from Raoult's law depending upon the composition.

Correct answer: A

Solution

(a): Solutions boil at relatively higher temperature that means, vapour pressure of solution is less then it shows negative deviation from Raoult's law.

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