Reaktion von heißem KupferIIoxid mit primären sekundären und tertiären Alkoholen

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Heißes, schwarzes Kupfer(II)-oxid wird in Ethanol (primärer Alkohol), 2-Propanol (sekundärer Alkohol) und 2-Methyl-2-Propanol (tertiärer Alkohol) eingetaucht. • Eine Umfärbung von scharz in die Elementfarbe des Kupfers zeigt eine positive Reaktion (Alkohol wird oxidiert, Kupfer(II)-oxid wird zu elementarem Kupfer reduziert; der tertiäre Alkohol zeigt keine Reaktion und ist unter diesen (noch relativ milden) Bedingungen nicht oxidierbar. 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