$t _{1 / 2}=\frac{ a }{2 k } \Rightarrow k =\frac{ a }{2 t _{1 / 2}}$
$k =\frac{0.02}{2 \times 100}=1.0 \times 10^{-4} mol L ^{-1} s ^{-1}$
$N{H_2}N{O_2}_{\left( {aq} \right)} + OH_{\left( {aq} \right)}^ - \to NHNO_{2\left( {aq} \right)}^ - + {H_2}{O_{\left( l \right)}}$
$NHNO_{2\left( {aq} \right)}^ - \to {N_2}{O_{\left( {aq} \right)}} + OH_{\left( {aq} \right)}^ - $
આ પ્રક્રિયાનો ઉદ્દીપક જણાવો.