Chemistry · 2024
JEE Main · 31 January 2024, Shift 2 · Q85
r = k [ A ] for a reaction, 50 % of A is decomposed in 120 minutes. The time taken for 90 % decomposition of A is ____ minutes.
$\displaystyle \mathrm{r}=\mathrm{k}[\mathrm{A}]$ for a reaction, $\displaystyle 50 \%$ of A is decomposed in $\displaystyle 120$ minutes. The time taken for $\displaystyle 90 \%$ decomposition of A is $\displaystyle \_\_\_\_$ minutes.
Official answer
From NTA’s final answer key for this paper.
399
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JEE Main 2024 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.