For a reaction A → 2B + C the half lives are 100 s and 50 s when the concentration of reactant A is — Chemical Kinetics Chemistry Question

Question

For a reaction A → 2B + C the half lives are 100 s and 50 s when the concentration of reactant A is 0.5 and 1.0 mol L respectively. The order of the reaction is ________. (Nearest Integer) –1