Question
Question: What is the chemical equation for aqueous sodium chloride and aqueous silver nitrate that react to f...
What is the chemical equation for aqueous sodium chloride and aqueous silver nitrate that react to form solid silver chloride and aqueous sodium nitrate?
Solution
The given statement reveals that the aq. Sodium chloride and aq. Silver nitrate reacts together to form silver chloride (solid) and aq. Sodium nitrate. This is just the double-displacement type reaction with the precipitation of silver chloride.
Complete answer:
Let us study the given reaction statement;
According to the given statement, the balanced chemical equation can be written as;
AgNO3(aq)+NaCl(aq)→NaNO3(aq)+AgCl(s)↓
The above reaction is mostly used for the illustration of basic solubility rules and solubility equilibria. In general case, all nitrates and halides are soluble individually except for AgX , PbX2 and Hg2X2 .
Thus, silver halide (here, silver chloride) isn’t soluble and precipitates out as a curdy white solid.
Note:
The precipitates formed from various reactions have different colours as;
Silver chloride – curdy white solid.
Silver bromide – creamy yellow.
Silver iodide – bright yellow.
If the precipitate is kept just still, then the silver halides tend to reduce the silver and thus, the precipitate darkens.