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Give reason when 30 ml of ethyl alcohol an 30 ml of water are mixed, the volume of resulting solution is more than 60 ml.


Answer:

It is because ethyl alchol and water do not form an ideal solution the intermolecular forces of attraction are weak so the molecules will become far apart from each other hence volume wll increase.

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Give one example each of miscible liquid pairs showing positive and negative deviations from Raoult’s law. Give one reason for such deviations.

Show graphically that freezing point of a liquid will be depressed when a non-volatile solute is dissolved in it.

Of 0.1 molal solutions of glucose and NaCl respectively which one will have a higher boiling point?

Draw a suitable labelled diagram to express the relationships for ideal solutions of A and B between vapour pressures and mole-fractions of components at constant temperature.

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