Uses of Silver Nitrate

Uses of  Silver Nitrate

• Silver nitrate is prepared by dissolving silver in dilute nitric acid.

3Ag + 4HNO₃ → 3AgNO₃ + 2H₂O + NO↑

• Ammoniacal silver nitrate (Tollen’s reagent) is reduced to silver mirror by compounds like formic acid, formaldehyde or glucose
• Silver nitrate is strongly caustic and oxidizing in nature.

Other uses are:

1. It is used in the preparation of silver halides which are extensively used in photography.
2. It is used in silvering mirrors.
3. It is used in preparation of marking inks and hair dyes.
4. It is used for silver plating.
5. It is used as laboratory reagent.