Which method would be most effective for separating two liquids in a homogeneous mixture that have different boiling points?

• A. Filtration
• B. Floatation
• C. Chromatography
• D. Distillation

Answer: (D)

Verified step by step guidance

1. Identify the nature of the mixture: Since the problem states a homogeneous mixture of two liquids, it means the liquids are completely mixed at the molecular level and cannot be separated by simple physical means like filtration or floatation.
2. Understand the principle behind each method: Filtration separates solids from liquids or gases based on particle size, floatation separates substances based on density differences, and chromatography separates components based on their affinity to stationary and mobile phases.
3. Recognize that distillation separates liquids based on differences in their boiling points by heating the mixture until one component vaporizes and then condensing the vapor back into liquid form.
4. Since the two liquids have different boiling points, distillation is effective because it exploits this difference to separate the components by selective vaporization and condensation.
5. Conclude that distillation is the most suitable method for separating two liquids in a homogeneous mixture with different boiling points, as it directly targets the physical property that distinguishes them.