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Mercury(II) fluoride

Mercury(II) fluoride has the molecular formula HgF<sub>2</sub> as a chemical compound of one atom of mercury with 2 atoms of fluorine.

Synthesis

Mercury(II) fluoride is most commonly produced by the reaction of mercury(II) oxide and hydrogen fluoride:

HgO + 2 HF → HgF<sub>2</sub> + H<sub>2</sub>O

Mercury(II) fluoride can also be produced through the fluorination of mercury(II) chloride:

HgCl<sub>2</sub> + F<sub>2</sub> → HgF<sub>2</sub> + Cl<sub>2</sub>

or of mercury(II) oxide:

2 HgO + 2 F<sub>2</sub> → 2 HgF<sub>2</sub> + O<sub>2</sub>

with oxygen as byproduct.

Applications

Mercury(II) fluoride is a selective fluorination agent.

References