What type of solution exhibit positive deviation from Rault's law?
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Following are examples of solutions showing positive deviation from Raoult’s Law: Acetone and Carbon disulphide; Acetone and Benzene; Carbon Tetrachloride and Toluene or Chloroform; Methyl Alcohol and Water; Acetone and Ethanol; Ethanol and Water; Negative Deviation from Raoult’s Law
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A mixture of ethanol and water shows positive deviation from Raoult's law. The intermolecular forces present are weaker than those present in the ideal solution. The total vapour pressure of the solution is greater than the total vapour pressure of an ideal solution.
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