JEE Main Chemistry question

A reaction involving two different reactants can never be [AIEEE 2005]

(A)Bimolecular reaction
(B)Second order reaction
(C)First order reaction
(D)Unimolecular reactionCorrect

Answer: (D)

Solution

A unimolecular reaction is, by definition, an elementary step in which only one reacting species (molecule) is involved. Since the reaction here involves two different reactants, its elementary (rate-determining) step necessarily involves

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Question ID VK-144264