alleryThe exponential factor gives the fraction of molecules with kinetic energy:
AExactly zero
BExactly equal
CAbove a value
DBelow a value
Answer & Solution
Correct answer: C. Above a value
1. Only energetic molecules can cross the barrier.
2. The factor counts what share of them qualify.
3. It is the fraction with energy greater than the activation energy.
_Source: syllabus Chemistry Part I, Chapter 4, Chemical Kinetics._
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