The element that can be refined by distillation is:

Which of the following elements is extracted using $I_2$ as the reactant?

The Van Arkel method for the purification of metals involves the conversion of the metal into a .........

The formation of $Ni(CO)_4$ and its subsequent decomposition into $Ni$ and $CO$ forms the basis of the Mond process.
$Ni + 4CO$ $\xrightarrow{T_1} Ni(CO)_4$ $\xrightarrow{T_2} Ni + 4CO$
What are the values of $T_1$ and $T_2$?

Metal $X$ obtained from sphalerite ore can be purified by which of the following methods?

One of the following metals forms a volatile compound and this property is taken advantage of for its extraction. This metal is