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Chemistry · PYQ NEET UG 2025
हिन्दीIf the half-life \( (t_{1/2}) \) for a first order reaction is \( 1 \) minute, then the time required for \( 99.9\% \) completion of the reaction is closest to :
Correct answer · Option 4
10 minutes
Explanation
For a first order reaction, \( t_{99.9\%} = 10 \times t_{1/2} = 10 \times 1 = 10 \) minutes.
