Ideal Solutions
Which of the following pairs forms an ideal solution?
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About This Question
- Subject
- chemistry
- Chapter
- solutions
- Topic
- ideal solutions
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Benzene and toluene
Ideal Solutions follow Raoult's law over the entire range of concentrations.
- Characteristics: ΔHmix=0 and ΔVmix=0.
- Benzene and Toluene form a nearly ideal solution because they have similar molecular structures, sizes, and nearly identical intermolecular forces (A−B interactions are similar to A−A and B−B).
- Other pairs like Acetone-Chloroform show negative deviation (due to H-bonding between components), while Ethanol-Water shows positive deviation.
This easy difficulty chemistry question is from the chapter solutions, covering the topic of ideal solutions. It appeared in the 2025 exam.
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