Q.
For the reaction,
$2NO\left(g\right)+2H_{2}\left(g\right)\to N_{2}\left(g\right)+2H_{2}O\left(g\right)$
The rate expression can be written in the following ways
$\frac{d\left[N_{2}\right]}{dt}=k_{1}\left[NO\right]\left[H_{2}\right];-\frac{d\left[H_{2}\right]}{dt}=k_{2}\left[NO\right]\left[H_{2}\right]$
$-\frac{d\left[NO\right]}{dt}=k_{3}\left[NO\right]\left[H_{2}\right];-\frac{d\left[H_{2}\right]}{dt}=k_{4}\left[NO\right]\left[H_{2}\right]$
The relationship between $k_1,k_2,k_2,k_4,$ is
Chemical Kinetics
Solution: