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  4. An azeotropic mixture of chloroform and diethyl ether possesses boiling point higher than either that of chloroform or diethyl ether. The mixture shows

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Q. An azeotropic mixture of chloroform and diethyl ether possesses boiling point higher than either that of chloroform or diethyl ether. The mixture shows

Solutions

Solution:

Azeotropic mixtures with higher boiling point show negative deviation. There occurs H-bonding between chloroform and diethyl ether in the solution, hence the escaping tendency of either component becomes less.

$Cl -\underset{\overset{|}{C}l}{\overset{\underset{|}{C}l}{C}} - H -----O <^{C_2H_5}_{C_2H_5}$