Question

248. Reaction of acids and bases

(b) Cu(OH)₂ + HCl 🡪

Answer 1

• When acids react with bases, they will from salt and water.
• This reaction is called a neutralization reaction.
• Copper hydroxide reacts with hydrochloric acid to form copper chloride and water.
• Copper chloride is made up of strong acid Hydrochloric acid and weak base Copper hydroxide hence, it is slightly acidic in nature.
• The balanced chemical equation for the given reaction is as follows:

$\underset{\mathrm{Copper}\mathrm{hydroxide}}{\mathrm{Cu}{\left(\mathrm{OH}\right)}_2\left(\mathrm{aq}\right)}+\underset{\mathrm{Hydrochloric}\mathrm{acid}}{2\mathrm{HCl}\left(\mathrm{aq}\right)}\to \underset{\mathrm{Copper}\mathrm{chloride}}{{\mathrm{CuCl}}_2\left(\mathrm{s}\right)}+\underset{\mathrm{Water}}{2{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)}$