Chemistry · 2022
JEE Main · 24 June 2022, Shift 2 · Q65
For a first order reaction, the time required for completion of 90 % reaction is ' x ' times the half life of the reaction. The value of ' x ' is…
For a first order reaction, the time required for completion of $\displaystyle 90 \%$ reaction is ' $\displaystyle x$ ' times the half life of the reaction. The value of ' $\displaystyle x$ ' is
(Given: $\displaystyle \ln 10=2.303$ and $\displaystyle \log 2=0.3010$ )
Official answer
(3)
$\displaystyle 3.32$
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.