1.

Hydrolysis of an ester in an aqueous solution was studied by titrating the liberated carboxylic acid against sodium hydroxide solution . The concentration of the ester at different time intervals are given below . {:("Time (min)",0,30,60,90),("Ester concentration "mol L^(-1),0.85,0.80,0.754,0.71):} Show that , the reaction follows first order kinetics.

Answer»

SOLUTION :The value of K at different time can be CALCULATED as follows :

This value shows that reaction follows FIRST order KINETICS .


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