Silver mirror test with Tollens' reagent. When a few drops of an aldehyde solution are added to a clear solution of Tollens' reagent a precipitate sta


Silver mirror test with Tollens' reagent. When a few drops of an aldehyde solution are added to a clear solution of Tollens' reagent a precipitate start to form. Gradually it darkens The test differentiates between aldose and ketose sugars. Tollen's reagent is made from diluteÂÂsodium hydroxideÂÂadded aqueousÂÂsilver nitrate and then ammonia is added to the resulting solution.


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Keywords: -, aldehyde, aldose, ammonia, aqueous, coating, darkens, differentiates, hydroxide, ketose, mirror, nitrate, precipitate, reagent, silver, sodium, solution, sugars, surface, test, tollens, tubes