The reagent is reduced to metallic silver by aldehydes, which in turn are oxidized to the corresponding acides. Silver deposits at the bottom of the test tube as a mirror.- U of Toronto chm lab...
Tollen's reagent is usually ammoniacal silver nitrate. Even in other variations it consists of an aqueous diaminesilver (I) complex. This diaminesilver (I) complex acts as an agent. This when placed...