1.

The half-life period of a first order reaction is 100 sec. The rate constant of the reaction is [MP PMT 1997; MP PET 2001]

A.                 \[6.93\times {{10}^{-3}}{{\sec }^{-1}}\]
B.                 \[6.93\times {{10}^{-4}}{{\sec }^{-1}}\]
C.                 \[0.693\,{{\sec }^{-1}}\]               
D.                 \[69.3\,{{\sec }^{-1}}\]
Answer» B.                 \[6.93\times {{10}^{-4}}{{\sec }^{-1}}\]


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