An azeotropic mixture of two liquids has a boiling point higher than either of the two liquids when it:
What type of deviation from Raoult's law is shown by a mixture of ethanol and acetone ? Give reason.
Define Azeotrope. What type of azeotrope is formed by negative deviation from Raoult's law ? Give an example.
Give reasons:
An azeotropic solution of two liquids has boiling point higher than either of them when it :
(a) Calculate the mass of a non-volatile solute (molar mass 40g mol⁻¹) which should be dissolved in 114 g octane to reduce its vapour pressure to 80%. (b) What are Azeotropes? Give one example each of minimum boiling and maximum boiling azeotropes.
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