MHT CET · Chemistry · Chemical Kinetics
Time required for completion of \(90 \%\) of a first order reaction is ' \(\mathrm{t}\) '. What is the time required for completion of \(99.9 \%\) of the reaction?
- A \(\mathrm{t}\)
- B \(2 \mathrm{t}\)
- C \(3 t\)
- D \(t / 2\)
Answer & Solution
Correct Answer
(C) \(3 t\)
Step-by-step Solution
Detailed explanation
\(\mathrm{T}_{99.9 \%}=3 \times \mathrm{t}_{90 \%}\)
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