When mercury(II) chloride is treated with excess stannous chloride

CHEMISTRY · Single correct · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

When mercury(II) chloride is treated with excess stannous chloride, the products obtained are (1) Liquid

\mathrm{Hg}

and

\mathrm{SnCl_4}

(2)

\mathrm{Hg_2Cl_2}

and

\mathrm{SnCl_4}

(3)

\mathrm{Hg_2Cl_2}

and

[\mathrm{SnCl_4}]^{2-}

(4) Liquid

\mathrm{Hg}

and

[\mathrm{SnCl_4}]^{2-}