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Home  >>  EAMCET  >>  Chemistry
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For the first order reaction at $27^{\circ}C, $ the radio of time required for $75 \%$ completion to $25 \%$ completion of reaction is :

\[\begin {array} {1 1} (1)\;3.0 & \quad (2)\;2.303 \\ (3)\;4.8 & \quad (4)\;0.477 \end {array}\]

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(3) 4.8
answered Nov 7, 2013 by pady_1
 

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