Silver mirror test. Tollen's reagent reacted with an aldehyde produces a silver mirror (right). This is a diagnostic test used to distinguish between
RMID:Image ID:2ACC7A6
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Science Photo Library / Alamy Stock PhotoImage ID:
2ACC7A6File size:
40.6 MB (1.5 MB Compressed download)Releases:
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3177 x 4466 px | 26.9 x 37.8 cm | 10.6 x 14.9 inches | 300dpiDate taken:
14 December 2001Photographer:
ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARYMore information:
Silver mirror test. Tollen's reagent reacted with an aldehyde produces a silver mirror (right). This is a diagnostic test used to distinguish between aldehydes (organic compounds with a -CO.H group) and closely related ketones (-CO.C). The Tollen's reagent (ammoniacal silver oxide) and ethanal (or acetaldehyde, CH3CHO) are reacted in a test tube (left). The ethanal reduces the complex silver ions to metallic silver, which deposit on the inside of the reaction vessel (right).