1.

A first order reaction is carried out starting with 10 mol L^(-1) of the reactant . It is 40% complete in 50 min . If the same reaction is carried out with an initial concentration of 5 mol L^(-1) the percentage of reaction that is completed in 50min is

Answer»

40%
80%
20%
36.8%

SOLUTION :(A) For a first order reaction time TAKEN for a definite fraction to COMPLETE is independent of initial concentration .


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