JEE Main · ChemistryHard
A catalyst lowers the activation energy of a reaction by . By what factor does the rate constant increase at ? (Use )
- A.Approximately 10
- B.Approximately 25
- C.Approximately 50
- D.Approximately 55
Show correct answer & step-by-step solution
Correct answer: D — Approximately 55
Solution
- The ratio of rate constants is .
- Given , , .
- Calculate the exponent: .
- Calculate the ratio: .
- Hence the answer is (D).
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