Question

A solution of chloroform in diethyl ether :

(a) Obeys Raoult’s law.( b) Shows positive deviation from Raoult’s law.

(c) Shows negative deviation from Raoult’s law. (d) Behaves ideally. ​

Answer 1

Answer:

Raoult's Law-

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

Answer 2

A solution of chloroform in diethyl ether (c) shows negative deviation from Raoult's Law.

Let us see Why a liquid shows negative deviation

The solution of a liquid pair shows negative deviation from Raoult's Law when one of the component is acidic and the other is basic or when the molecules of one of the components form H- bonds with those of the other components, though they are incapable of forming H-bonds among themselves.