question_answer

Rate constant for a reaction is \[\lambda \]. Average life is representative by                                      [Orissa JEE 2004]

A)                 \[1/\lambda \] 

B)                 \[\text{In}2/\lambda \]

C)                 \[\frac{\lambda }{\sqrt{2}}\]      

D)                 \[\frac{0.693}{\lambda }\]