Preparation of Tollen's Reagent

AIM:
To prepare Tollen's reagent.
APPARATUS:

• Dropper
• Test tube
• Measuring cylinder

REAGENTS:

• AgNO₃ solution :2ml
• NaOH solution : 3 drops
• NH₄OH solution

PROCEDURE:

• To a clean test tube add 2ml of AgNO₃ solution.
• Add 3 drops of NaOH solution.
• A precipitate is obtained.
• Ammonia solution is added drop by drop until the precipitated silver oxide is almost dissolved.
• This is how tollen's reagent is prepared.

DONOT STORE IT...USE IMMEDIATELY