Chemistry Comes Alive! C C Alive! Table of Contents Index Textbooks

Aqueous Reactions: Sodium Iodide

Silver Nitrate with Sodium Iodide

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Here, sodium iodide (NaI) is added to silver nitrate (AgNO3). The result is a white precipitate.
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Cadmium Nitrate with Sodium Iodide

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Here, sodium iodide (NaI) is added to cadmium nitrate (Cd(NO3)2). The result is no visible reaction.
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Cobalt(II) Chloride with Sodium Iodide

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Here, sodium iodide (NaI) is added to cobalt(II) chloride (CoCl2). The result is no visible reaction.
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Chromium(III) Chloride with Sodium Iodide

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Here, sodium iodide (NaI) is added to chromium(III) chloride (CrCl3). The result is no reaction.
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Copper(II) Nitrate with Sodium Iodide

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Here, sodium iodide (NaI) is added to copper(II) nitrate (Cu(NO3)2). The result is a redox reaction where Cu2+ oxidizes I- to I2 resulting in a yellow precipitate of copper(I) iodide and red iodine solution.
2Cu2+(aq) + 4I-(aq) --> I2(aq) + 2CuI(s).
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Iron(II) Ion with Sodium Iodide

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Here, sodium iodide (NaI) is added to iron(II) ion (Fe2+). The result is no visible reaction.
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Iron(III) Ion with Sodium Iodide

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Here, sodium iodide (NaI) is added to iron(III) ion (Fe3+). The result is a redox reaction where Fe3+ oxidizes I- to I2 resulting in a red color in the solution.
2Fe3+(aq) + 2I-(aq) --> I2(aq) + 2Fe2+(aq) .
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Mercury(II) Ion with Sodium Iodide

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Here, sodium iodide (NaI) is added to mercury(II) ion (Hg2+). The result is an orange precipitate.
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Mercury(I) Nitrate with Sodium Iodide

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Here, sodium iodide (NaI) is added to mercury(I) nitrate (Hg2(NO3)2). The result is an orange precipitate.
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Manganese(II) Chloride with Sodium Iodide

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Here, sodium iodide (NaI) is added to manganese(II) chloride (MnCl2). The result is no visible reaction.
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Nickel(II) Nitrate with Sodium Iodide

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Here, sodium iodide (NaI) is added to nickel(II) nitrate (Ni(NO3)2). The result is no visible reaction.
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Lead(II) Nitrate with Sodium Iodide

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Here, sodium iodide (NaI) is added to lead(II) nitrate (Pb(NO3)2). The result is a bright yellow precipitate.
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Strontium Chloride with Sodium Iodide

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Here, sodium iodide (NaI) is added to strontium chloride (SrCl2). The result is no visible reaction.
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Zinc Nitrate with Sodium Iodide

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Here, sodium iodide (NaI) is added to zinc nitrate (Zn(NO3)2). The result is no visible reaction.
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