Question

______ solution forms a coloured precipitate with ammonium hydroxide which is soluble in excess of ammonium hydroxide.

विकल्प

• Ferrous chloride

• Copper nitrate

Answer 1

Copper nitrate solution forms a coloured precipitate with ammonium hydroxide which is soluble in excess of ammonium hydroxide.

Explanation:

Copper chloride reacts with ammonium hydroxide to form a pale blue precipitate of copper hydroxide. The copper hydroxide dissolves in excess ammonium hydroxide solution to give a deep blue coloured solution.