Question

Write the molecular formulae for the compound: Mercury (II) chloride

Answer 1

Molecular formula:

The molecular formula of the compound is the symbolic representation of elements present in the compound. The molecular formula denotes the exact number of atoms of the elements.

Explanation:

The symbol of the mercuric ion is ${\mathrm{Hg}}^{2+}$ and the chloride ion is ${\mathrm{Cl}}^{-}$. The charge represents the valency of the ions.

Hence, the molecular formula for mercury (II) chloride is ${\mathrm{HgCl}}_2$.