alleryA reaction involving one reacting species is called:
ATrimolecular
BNonmolecular
CUnimolecular
DBimolecular
Answer & Solution
Correct answer: C. Unimolecular
1. Molecularity counts the species in an elementary step.
2. Here that count is one.
3. So the reaction is unimolecular.
_Source: syllabus Chemistry Part I, Chapter 4, Chemical Kinetics._
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