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Potassium tetraiodomercurate(II)

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Potassium tetraiodomercurate(II)

Molecular formula: HgI4K2 CAS# 7783-33-7
Caswell No. 695
Channing's solution
Dipotassium tetraiodomercurate
Dipotassium tetraiodomercurate(2-)(IUPAC)
Mayer's reagent
Mercurate(2-), tetraiodo-, potassium (1:2)(CAS)
Mercury potassium iodide
Mercury(II) potassium iodide
Nessler Reagent
Nessler's reagent
Potassium iodomercurate
Potassium mercuric iodide
Potassium mercuriiodide
Potassium mercury iodine
Potassium tetraiodomercurate
Potassium tetraiodomercurate(II) [Wiki]

Variants of the formula:

Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Potassium tetraiodomercurate(II) is involved

  • HgCl2 + 4KI -> K2[HgI4] + 2KCl
  • HgI2 + 2KI -> K2[HgI4]
  • K2[HgI4] "400^oC"--> 2KI + HgI2
  • K2[HgI4] + 4H2SO4 -> HgSO4"|v" + 2I2"|v" + 2SO2"|^" + K2SO4 + 4H2O
  • K2[HgI4] + 2KOH "90^oC"--> HgO"|v" + 4KI + H2O