Identify which liquid will have a higher vapour pressure at 90°C if the boiling points of twoliquids A and B are 140°C and 180°C, respectively
Question
Solution 1
The vapor pressure of a liquid increases with temperature. The liquid with the lower boiling point will have a higher vapor pressure at a given temperature below both boiling points.
Here, Liquid A has a boiling point of 140°C and Liquid B has a boiling point of 180°C.
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