| No | $[NH_4^+]$ | $[NO_2^-]$ | rate of reaction |
| $1.$ | $0.24\, M$ | $0.10\, M$ | $7.2 \times {10^{ - 6}}$ |
| $2.$ | $0.12\, M$ | $0.10\, M$ | $3.6 \times {10^{ - 6}}$ |
| $3.$ | $0.12\, M$ | $0.15\, M$ | $5.4 \times {10^{ - 6}}$ |
$\begin{matrix}
O\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\, \\
C{{H}_{3}}-C-OON{{O}_{2}} \\
\end{matrix}$ $\to$ $\begin{matrix}
\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\, \\
\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\, \\
C{{H}_{3}}-C-O\overset{\centerdot }{\mathop{O}}\, \\
\end{matrix}$ $ + N{O_2}$
જો હવાના નમૂનામાં $PAN$ ની શરૂઆતની સાંદ્રતા $5.0 \times 10^{14}\, molecules/L$ હોય તો $1.5\, hr$ પછી સાંદ્રતા કેટલી થશે ?
(આપેલ છે: $\left. R =8.314\, J\, mol ^{-1} K ^{-1}\right)$