If is a side or concurrent elementary reactionHere consider, this reaction in which A is converted into B&C bif two different reactions at the same time.(i) Rate of consumption of A in A longrightarrow B conversion.-[(d(A))/(dt)]_(1)=k_(1)[A]=" rate of reaction "similarlyii) rate of consumption of A in A longrightarrow C conversion-[(d(A))/(dt)]_(2)=k_(2)[A]=" rate of reaction "So overall rate of consumption of A is{:[(-d[A])/(dt)=-[(d[A])/(dt)]_(1)+[(-d[A])/(dt)]_(2)],[(-d(A))/(dt)=k_(1)[A]+k_(2)[A)],[=[k_(1)+k_(2)][A]],[=k_("orgral ")[A]quadk_(1)+k_(2)]:}k_("over all ")=k_(1)+k ... See the full answer