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dimeric Mercury ion

Hg2+

2 + 2 KI → Hg2I2 + 2 K+2 Hg2+

2 + 2 NaOH → 2 Hg

2O + 2 Na+ + H2O

Confirmation test for mercury:Hg2+ + 2 KI (in excess) → HgI2 + 2 K+HgI2 + 2 KI → K2[HgI4] (red precipitate dissolves)2 Hg2+ + SnCl2 → 2 Hg + SnCl4 (white precipitate turns gray)

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13y ago

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