1.

A binary liquid solution is prepared by mixing n-heptane and ethanol. Which one of the following statements is correct regarding the behaviour of the solution ?

Answer»

The solution formed is non-ideal.
The solution is non-ideal showing positive deviations from RAOULT's law
The solution is non-ideal showing negative deviations from Raoult's law.
n-heptane shows positive while ethanol shows negative deviations from Raoult's law.

Solution :n-Heptane and ethanol FORM non-ideal solution and give a positive deviation as n-heptane-n-heptane INTERMOLECULAR interaction is very poor as compared to ethanol-ethanol (hydrogen BONDING) intermolecular interaction.


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