Q48. the concentration of a reactant undergoing decomposition was 0.1,0.08 and 0.067 mol l after 1.0, 2.0 and 3.0 hr respectively. the order of the reaction is

Q48. The concentration of a reactant undergoing decomposition was 0.1,0.08 and 0.067 mol L after 1.0, 2.0 and 3.0 hr respectively. The order of the reaction is a) 0 b) I )2 d) 3