Chemistry · 2026
JEE Main · 5 April 2026, Shift 1 · Q75
If the half life of a first order reaction is 6.93 minutes then the time required for completion of 99 % of the reaction will be ____ minutes.…
If the half life of a first order reaction is $\displaystyle 6.93$ minutes then the time required for completion of $\displaystyle 99 \%$ of the reaction will be $\displaystyle \_\_\_\_$ minutes .
(Given : $\displaystyle \log 2=0.3010$ )
Official answer
From NTA’s final answer key for this paper.
46
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.