Question: Points I, II and III in the following plot respectively correspond to
$\left(\mathrm{V}_{\mathrm{mp}}\right.$ : most probable velocity)
$\mathrm{V}_{\mathrm{mp}}$ of $\mathrm{N}_{2}(300 \mathrm{~K}) ; \mathrm{V}_{\mathrm{mp}}$ of $\mathrm{H}_{2}(300 \mathrm{~K})$;
$\mathrm{V}_{\mathrm{mn}}$ of $\mathrm{O}_{2}(400 \mathrm{~K})$
$\mathrm{V}_{\mathrm{mp}}$ of $\mathrm{H}_{2}(300 \mathrm{~K}) ; \mathrm{V}_{\mathrm{mp}}$ of $\mathrm{N}_{2}(300 \mathrm{~K})$
$\mathrm{V}_{\mathrm{mp}}$ of $\mathrm{O}_{2}(400 \mathrm{~K})$
$\mathrm{V}_{\mathrm{mp}}$ of $\mathrm{O}_{2}(400 \mathrm{~K}) ; \mathrm{V}_{\mathrm{mp}}$ of $\mathrm{N}_{2}(300 \mathrm{~K})$
$\mathrm{V}_{\mathrm{mp}}$ of $\mathrm{H}_{2}(300 \mathrm{~K})$
$\mathrm{V}_{\mathrm{mp}}$ of $\mathrm{N}_{2}(300 \mathrm{~K}) ; \mathrm{V}_{\mathrm{mp}}$ of $\mathrm{O}_{2}(400 \mathrm{~K})$;
$\mathrm{V}_{\mathrm{mp}}$ of $\mathrm{H}_{2}(300 \mathrm{~K})$
Correct Option: , 4
Solution:
