MHT CET Chemistry question

Which of the following stands TRUE for molecularity of a reaction?

(A)It is the sum of exponents of the molar concentrations of the reactants in the rate equation
(B)It may have a fractional value
(C)It is the number of molecules of the reactants taking part in a single step chemical reactionCorrect
(D)It is determined experimentally

Answer: (C)

Solution

Molecularity is the number of reactant molecules taking part in a single elementary step; the sum of exponents in the rate equation is the order

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Question ID VK-069045