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For first-order reaction with t₁/₂ = 10 min, k =
A1/min
B10/min
C6.93/min
D0.0693/min (= ln2/10)
Answer & Solution
Correct answer: D. 0.0693/min (= ln2/10)
k = 0.693/t₁/₂ = 0.693/10 = 0.0693 /min.
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