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Question: Answered & Verified by Expert
Chemical reactions with very high $E_{a}$ values are generally
ChemistryChemical KineticsCOMEDKCOMEDK 2018
Options:
  • A very fast
  • B very slow
  • C moderately fast
  • D spontaneous
Solution:
1827 Upvotes Verified Answer
The correct answer is: very slow
According to Arrhenius equation
$$
k=A e^{\frac{-E_{0}}{R T}}
$$
Here, $k$ decreases with increase in $E_{a}$ (activation energy).
Chemical reaction with very high $E_{a}$ values are generally slow.

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