Which of the following statement is not correct about order of a reaction ?

Options

A. The order of a reaction can be a fractional number.
B. Order of a reaction is experimentally determined quantity.
C. the order of a reaction is always equal to the z sum of the stoichiometric coefficients o f reactants in the balanced chemical equation for a reaction,
D. The order of a reaction is the sum of the powers o f m olar concentration o f the reactants in the rate law expression

Answer

C