Q.

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?

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a

The solution is nonideal showing positive deviation from Raoult's law.

b

The solution formed is an ideal solution

c

n-Heptane shows positive deviation while enthanol shows negative deviation from Raoult's law

d

The solution is nonideal showing negative deviation from Raoult's law

answer is D.

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Detailed Solution

The interaction between unlike molecules is weaker than those involved between like molecules. This results into positive deviations from Raoult's law

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