JEE Main Chemistry question

Which one of the following statements for the order of a reaction is incorrect?

(A)Order of reaction is always a whole numberCorrect
(B)Order can be determined only experimentally
(C)Order is not influenced by stoichiometric coefficient of the reactants
(D)Order of reaction is sum of power to the concentration terms of reactants to express the rate of reaction

Answer: (A)

Solution

Order can indeed be fractional (unlike molecularity, which must always be a whole number), so the claim that order is "always a whole number" is false. Order must be found experimentally (B, true)

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Question ID VK-144491