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  2. Give reasons : (a) An increase in temperature is observed on mixing chloroform and acetone. (b) Aquatic animals are more comfortable in cold water than in warm water.    
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Give reasons :

(a) An increase in temperature is observed on mixing chloroform and acetone.

(b) Aquatic animals are more comfortable in cold water than in warm water.

 

 

 

 

 
 
 
 
 

Answers (1)
S Sumit

(a) A mixture of chloroform and acetone forms a solution with negative deviation from Raoult's law because of the formation of hydrogen bond between the two.

Therefore, \Delta H=-ve

(b) Solubility of O_{2} in water increases with decrease of temperature. It makes aquatic species more comfortable in cold water than in warm water. 

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