单词 | viologen |
释义 | viologen/vʌɪˈəʊlədʒ(ə)n /noun Chemistry Any of a series of synthetic compounds related to the weedkiller paraquat, used as redox indicators. They contain heteroaromatic cations of the general formula (C5H4NR)22+.The intermolecular interactions between the viologens and the macrocyclic molecule were investigated in a solution before photoirradiation....
Origin1930s: from violet (because of the purple colour when electrochemically reduced) + -gen. |
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