which of the following represents the expression for `3//4`th life of first order reaction?
which of the following represents the expression for `3//4`th life of first order reaction?
A. `k/(2.303)log4//3`
B. `(2.303)/(k)(log 3//4)`
C. `2.303/klog4`
D. `2.303/klog3`
4 views
1 Answers
Correct Answer - C
c) For first order reaction:
`t=k/(2.303) log a/(a-x)`
For `3//4th` life, `x=(3a)/4`
`t_(3//4) = k/(2.303) log a/(a-(3a)/4)`
`=k/(2.303) log 4`
4 views
Answered