Question:

An ideal solution is one, which obeys

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Ideal = Raoult's Law. Real/Dilute = Henry's Law.
  • Raoult's law
  • Henry's law
  • Sivert's law
  • Gibb's law
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The Correct Option is A

Solution and Explanation

Step 1: Concept
An ideal solution is a solution in which the interaction between the molecules of the components does not differ from the interactions between the molecules of each component.

Step 2: Meaning

For such solutions, the partial vapor pressure of each component is proportional to its mole fraction.

Step 3: Analysis

Henry's law applies to dilute solutions of gases in liquids. Raoult's law ($P_{i} = X_{i}P_{i}^{\circ}$) defines the behavior of an ideal solution across all concentrations.

Step 4: Conclusion

Compliance with Raoult's law is the defining characteristic of an ideal solution. Final Answer: (A)
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