The integrated rate equation for rate constant of a first order reaction is:

Options

A. `k=(2.303)/(t)"log"([R]_(0))/([R])`
B. `k=(1)/(t)[(1)/([R])-(1)/([R]_(0))]`
C. `k=(1)/(2t)[(1)/([R]^(2))-(1)/([R]_(0)^(2))]`
D. None of these.

Answer

A

Explanation

`Ato` Products
For first order reaction,
Integrated rate equation is,
`k=(2.303)/(t)"log"([R]_(0))/([R])`