Boiling point elevations can be measured by__________________?
Correct answer: B. Landsbergers method
- A. Beckmanns method
- B. Landsbergers method
- C. Linds method
- D. none of the above
Explanation
The Landsberger method is used to determine the elevation of boiling point by comparing the boiling behaviour of a solution with that of the pure solvent. Students may choose Beckmann's method because it is associated with colligative-property measurements, but it is classically used for depression of freezing point.
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About Properties of Liquids
Liquid behavior depends on intermolecular forces, which produce surface tension, viscosity, capillary action and a definite volume without a fixed shape. The topic also covers vapor pressure, evaporation, boiling point and the effect of temperature and external pressure, while distinguishing evaporation at the surface from boiling throughout the liquid.
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