Tollens’ test is used to distinguish between reducing sugars and non-reducing sugars. This test is commonly known as silver mirror test.
Reaction
2AgNO3 + 2NaOH → Ag2O (brown ppt) + 2NaNO3 + H2O
Ag2O (brown ppt) + 4NH3 + 2NaNO3 + H2O → 2[Ag(NH3)2]NO3 + 2NaOH
Glucose + 2[Ag(NH3)2]NO3 + H2O → 2 Ag(silver mirror) + 4 NH3 + Gluconic acid + 2 H+
Ещё видео!