noun Download 🔗Share Any of a class of unsaturated ketones, having a general formula R1R2C=C=O, that react as if they were inner acid anhydrides Examples : "In the laboratory, the chemist carefully generated ketene to use it as a reactive building block in synthesizing a new polymer. " chemistry compound substance Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The parent compound of this class, CH2=C=O, an unstable, reactive colourless gas Examples : "Because ketene is a highly reactive gas, it's usually generated and used immediately in chemical reactions rather than stored. " compound substance chemistry Chat with AIVocabulary GamePractice Reading