Which halogen can be purified by sublimation ?

Options

A. `F_(2)`
B. `Cl_(2)`
C. `Br_(2)`
D. `I_(2)`

Answer

D

Explanation

In the sublimation, the solids substance converts into vapours directly. Iodine is found in solid state while `F_(2) and Cl_(2)` are found in gaseous state and `Br_(2)` is found in liquid state. So, iodine can be purified by sublimation.