Question

An inorganic salt solution gives a yellow precipitate with silver nitrate. The precipitate dissolves in dilute nitric acid as well as in ammonium hydroxide. The solution contains _______.

Options

• Bromide

• Iodine

• Phosphate

• Chromate

Answer 1

An inorganic salt solution gives a yellow precipitate with silver nitrate. The precipitate dissolves in dilute nitric acid as well as in ammonium hydroxide. The solution contains Phosphate.

Explanation:

\[\ce{Na3PO4 + 3AgNO3 -> Ag3\underset{yellow}{PO4\downarrow} + 3NaNO3}\]

Yellow precipitate is soluble in dilute nitric acid as well as in ammonium hydroxide.