${K_{eq}}\, = \,\,\frac{{NOC{l_2}}}{{[NO][C{l_2}]}}\,\,\,or\,\,\,[NOC{l_2}]\,\, = \,\,{K_{eq}}\,[NO]\,\,[C{l_2}]$
$r\,\, = \,\,{K_1}\, \times \,\,{K_{eq}}\,[NO]\,[NO]\,[C{l_2}]\,\, = \,\,K{[NO]^2}\,[C{l_2}]$
$[X]$ $0.1\,M$, $[Y]$ $0.1\,M$ 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 ......