Silver mirror test. This test is used to distinguish aldehydes from ketones. Tollen's reagent (ammoniacal silver nitrate) and ethanol are added to a solution. If the solution contains aldehydes,the ethanol reduces the silver ions to metallic silver,which deposits on the inside of the reaction vessel. The test tube can be placed in a beaker of warm water to speed up the reaction | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
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