Ncert Exercises & Solutions

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

1.	The order of a reaction can be a fractional number
2.	Order of a reaction is experimentally determined quantity
3.	The order of a reaction is always equal to the sum of the stoichiometric coefficients of reactants in the balanced chemical equation for a reaction
4.	The order of a reaction is the sum of the powers of the molar concentration of the reactants in the rate law expression