$\frac{t_{1}}{t_{2}}=\frac{\left(P_{2}\right)^{n-1}}{\left(P_{1}\right)^{n-1}}$
$\frac{340}{170}=\left(\frac{27.8}{55.5}\right)^{ n -1}$
$\Rightarrow 2=\frac{1}{(2)^{ n -1}}$
$n =0$
$[X]$ $0.1\,M$, $[Y]$ $0.1\,M$ દર $\rightarrow 0.002\,Ms^{-1}$
$[X]$ $0.2\,M$, $[Y]$ $0.1\,M$ દર $\rightarrow 0.002\,Ms^{-1}$
$[X]$ $0.3\,M$, $[Y]$ $0.2\,M$ દર $\rightarrow 0.008\,Ms^{-1}$
$[X]$ $0.4\,M$, $[Y]$ $0.3\,M$ દર $\rightarrow 0.018\,Ms^{-1}$
તો દર નિયમ ......