Which of the following statements is incorrect? (a) The order of reaction is the sum of powers o...

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Which of the following statements is incorrect?
(a) The order of reaction is the sum of powers of all the concentration terms in the rate equation.
(b) The order of reaction with respect to one reactant is the ratio of the change of logarithm of the rate of the reaction to the change in the logarithm of the concentration of the particular reactant, keeping the concentrations of all other reactants constant.
(c) Orders of reactions can be whole numbers or fractional numbers.
(d) The order of a reaction can only be determined from the stoichiometric equation for the reaction.
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