1.

The correct difference between first and second order reaction is that……….

Answer»

the rate of a first-ORDER reaction does depend on reactant concentration ,the rate of a SECOND-order reaction does not depend on reactant concentrations
the rate of a first-order reaction does not depend on reactant concentration ,the rate of a second-order reaction does depend on reactant concentrations
a first-order reaction can be CATALYZED,a second -order reacion cannot be catalyzed
the half-LIFE of a first-order reaction does not depend on `[A]_(0)` the half-life of a second-order reaction does depend on `[A]_(0)`

Solution :Half life time of a
First life order reaction `(t_(1)/(2))=(0.693)/(K)`
Half life time of a
Second order reaction `(t_(1)/(2)),t_((1)/(2))prop(1)/([A_(o)])`


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