Chemistrymedium · Past Paper
What is the role of sunlight in the reaction between Methane and Chlorine?
AIt acts as a reactant
BIt provides the activation energy (photochemical initiation)
CIt acts as a product
DIt cools the reaction
✓ Correct Answer: B — It provides the activation energy (photochemical initiation)
This is a photochemical substitution reaction where light is needed to break the Cl-Cl bond.
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