MCQ
The given reaction $2NO + {O_2} \to 2N{O_2}$ is an example of
- AFirst order reaction
- BSecond order reaction
- ✓Third order reaction
- DNone of these
${\rm{Rate}} = {\rm{K[NO}}{{\rm{]}}^{\,\,{\rm{2}}}}{[{O_2}]^{\,1}}$
$\therefore $ O.R. $= 2 + 1 = 3$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$2NO(g) + Cl_2(g) \longrightarrow 2NOCl(g)$
occurs in a single elementary step, we can say that


|
List$-I$ (Species) |
List$-II$ (Number of lone pairs of electrons on the central atom) |
| $(a)$ $\mathrm{XeF}_{2}$ | $(i)\, 0$ |
| $(b)$ $\mathrm{XeO}_{2} \mathrm{~F}_{2}$ | $(ii) \,1$ |
| $(c)$ $\mathrm{XeO}_{3} \mathrm{~F}_{2}$ | $(iii) \,2$ |
| $(d)$ $\mathrm{XeF}_{4}$ | $(iv) \,3$ |
Choose the most appropriate answer from the options given below: