Chemistrymedium · Past Paper
What is the effect of a promoter in a chemical reaction?
AIt acts as a negative catalyst
BIt increases the efficiency of a catalyst
CIt stops the reaction
DIt changes the state of products
✓ Correct Answer: B — It increases the efficiency of a catalyst
A promoter increases the activity or efficiency of a catalyst (e.g., Molybdenum in Haber's process).
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