MCQ
Arrange the halogens $\mathrm{F}_2, \mathrm{Cl}_2, \mathrm{Br}_2, \mathrm{I}_2$, in order of their increasing reactivity with alkanes :
- ✓$ \mathrm{I}_2 < \mathrm{Br}_2 < \mathrm{Cl}_2 < \mathrm{F}_2 $
- B$ \mathrm{Br}_2 < \mathrm{Cl}_2 < \mathrm{F}_2 < \mathrm{I}_2 $
- C$ \mathrm{~F}_2 < \mathrm{Cl}_2 < \mathrm{Br}_2 < \mathrm{I}_2 $
- D$ \mathrm{Br}_2 < \mathrm{I}_2 < \mathrm{Cl}_2 < \mathrm{F}_2 $
