Respuesta :
The half life of second order reaction is used that is t1/2= 1/ [A]0 .K .
In this , given the rate constant to the power of -1 to the times to seconds to the power of -1.so from this unit we get the reaction is a second order reaction. second order reaction is a reaction in which the sum of the exponents in the rate law of chemical equation is equal to two. second order is the reaction whose rate is proportional to the square of concentration of one reactant.
it is expressed as, r=K[A]2
Half life is the time required for the reactant concentration to decrease from [A]0 to [A] 0/2 . the expression for the half life of second order reaction is
t1/2= 1/[A]0 .k
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