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Which of the following describes a common precipitate?

A. A liquid silver nitrate formed in liquid ammonia
B. A carbon dioxide gas formed in water
C. A silver chloride solid formed in liquid silver nitrate

Sagot :

GinnyAnswer

Final answer:

Precipitation reactions in chemistry involve the formation of insoluble solid compounds. Silver chloride, silver bromide, and silver iodide are common precipitates used in qualitative analysis. The solubility of silver halides is influenced by their covalent bonding.


Explanation:

Precipitation reactions in chemistry involve the formation of insoluble solid compounds when two aqueous solutions are mixed. One common precipitate is silver chloride (AgCl) formed when silver nitrate reacts with sodium chloride. The equation for this reaction is: AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq).

Silver chloride is a white solid precipitate, while silver bromide and silver iodide form pale yellow precipitates. These reactions are often used in qualitative analysis to identify halide ions in solutions based on the formed precipitates.

The formation of a precipitate is a reaction where an insoluble solid is produced in a solution. It is indicated by (s) in chemical equations. The solubility of silver halides (AgCl, AgBr, AgI) is influenced by their covalent bonding, making them sparingly soluble in water.


Learn more about Precipitation reactions in chemistry here:

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