Two first order reaction have half life in the ratio \( 3: 2 \). Calculate the ratio of time int...

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Two first order reaction have half life in the ratio \( 3: 2 \). Calculate the ratio of time intervals \( t_{1}: t_{2} \). The time \( t_{1} \) and
\( \mathrm{P} \) \( \mathrm{t}_{2} \) are the time period for \( 25 \% \) and \( 75 \% \) completion for the

W first and second reaction respectively :
(1) \( 0.311: 1 \)
(2) \( 0.420: 1 \)
(3) \( 0.273: 1 \)
(4) \( 0.119: 1 \)
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