Question

A chemist dissolves silver nitrate (AgNO₃) in water. He also dissolves ammonium chloride (NH₄Cl) in water. He mixes the two solutions. A precipitate of silver chloride (AgCl) forms. Which chemical equation correctly represents this reaction?$a. AgNO_3(s) + NH_4Cl(s) \rightarrow AgCl(s) + NH_4NO_3(s) \\b. AgNO_3(aq) + NH_4Cl(aq) \rightarrow AgCl(aq) + NH_4NO_3(aq) \\c. AgNO_3(aq) + NH_4Cl(aq) \rightarrow AgCl(s) + NH_4NO_3(aq)$

Answer 1

Answer: $AgNO_3(aq)+NH_4Cl(aq)\rightarrow AgCl(s)+NH_4NO_3(aq)$

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

The balanced chemical equation for reaction of silver nitrate in water.and ammonium chloride in water to give precipitate of silver chloride :

$AgNO_3(aq)+NH_4Cl(aq)\rightarrow AgCl(s)+NH_4NO_3(aq)$