JEE Main · ChemistryEasy
The activation energy of a reaction can be lowered by:
- A.Increasing the temperature
- B.Adding a catalyst
- C.Increasing the concentration of reactants
- D.Decreasing the surface area
Show correct answer & step-by-step solution
Correct answer: B — Adding a catalyst
Solution
- Activation energy is the energy barrier that reactants must overcome to form products.
- A catalyst provides an alternative mechanism with a lower activation energy.
- Temperature and concentration affect the rate but do not change the activation energy.
- Hence the answer is (B).
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