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MHT CET · Chemistry · Chemical Kinetics

What is the time required for \(99 \%\) completion of a first order reaction if rate constant is \(23.03 \mathrm{~min}^{-1}\) ?

  1. A 0.2 minute
  2. B 0.4 minute
  3. C 6.2 minute
  4. D 8.1 minute
Verified Solution

Answer & Solution

Correct Answer

(A) 0.2 minute

Step-by-step Solution

Detailed explanation

\( t = \frac{2.303}{k} \log \left( \frac{[A]_0}{[A]} \right) \) \( t = \frac{2.303}{23.03 \mathrm{~min}^{-1}} \log \left( \frac{1}{1-0.99} \right) \)