1.

Intermolecular forces between two benzene molecules are nearly of same strength as those between two toluene molecules. For a mixture of benzene and toluene, which of the following are not true ?

Answer»

`Delta_(mix)H=` ZERO
`D_(mix)V=` zero
These will form MINIMUM boiling azeotrope.
These will not form ideal solution.

Solution :Explanation : In a mixture of benzene and toluene intermolecular FORCES between benzene and toulene molecules would be nearly of the same strength as those of TWO benzene molecules and two toluene molecules separately. The solution will, therefore, form an ideal solution & obey Raoult.s law. So, the option (iii) & (iv) not true.


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