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HgI2 (with the '2' small subscript - ie below the line)

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16y ago
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8mo ago

The chemical formula of Mercury(II) iodide is HgI2, where mercury is in the +2 oxidation state and iodine is in the -1 oxidation state.

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14y ago

Mercury I iodate is Hg2(IO3)2

Mercury II iodate is Hg(IO3)2

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13y ago

Mercury has two iodides:

Mercury(I) iodide = Hg2I2

Mercury(II) iodide = HgI2

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12y ago

HgI2 is the chemical form of mercury iodide.

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15y ago

Hgl2

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15y ago

Hg2I2

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16y ago

HgI2

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11y ago

HgIO3

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Q: What is the chemical formula of mercury 2 iodide?
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Since mercury can be either a 1+ ion called mercury(I), or a 2+ ion called mercury(II), there are two possibilities.Formulaspotassium chloride is KClpotassium iodide is KImercury(I) chloride is HgClmercury(I) iodide is HgImercury(II) chloride is HgCl2mercury(II) iodide is HgCl2Equation with Mercury(I)KCl + HgI --> HgCl + KIEquation with Mercury(II)2KCl + HgI2 --> HgCl2 + 2KI