JEE Main · ChemistryMedium
The decomposition of in follows first order kinetics. If the initial concentration is and after it becomes , what is the rate constant in ?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
- The concentration halves from to , so .
- The rate constant for a first order reaction is .
- .
- .
- Hence the answer is (A).
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