What happens when you combine silver nitrate with sodium chloride?

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What happens when you combine silver nitrate with sodium chloride?

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Answer 1 · 2017-04-03T02:10:43

The solution will first form a white precipitate, then eventually turn black.

Explanation:

Combining silver nitrate $A g N O_{3}$ $AgNO_3$ with sodium chloride $N a C l$ $NaCl$ is a double replacement reaction. The positive and negative ions trade places. See the chemical reaction below

$A g^{+} (a q) + N O_{3}^{-} (a q) + N a^{+} (a q) + C l^{-} (a q) \to A g C l (s) + N a^{+} (a q) + N O_{3}^{-} (a q)$ $Ag^+(aq) + NO_3^(-) (aq) + Na^(+)(aq) + Cl^(-)(aq) -> AgCl(s) + Na^(+)(aq) + NO_3^(-)(aq)$

The sodium ion $(N a^{+})$ $(Na^+)$ and the nitrate ion $(N O_{3}^{-})$ $(NO_3^(-))$ do not react and stay in the solution as spectator ions.

The silver ion $A g^{+}$ $Ag^+$ combines with the chloride ion $C l^{-}$ $Cl^(-)$ to form insoluble silver chloride (AgCl) which is white; it turns the solution black when the solute is exposed to light.

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What happens when you combine silver nitrate with sodium chloride?

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