ketone group

American

noun

Chemistry.

the characteristic group occurring in ketones that consists of the carbonyl group attached to two alkyl groups.

ketone group British

noun

chem the functional group of ketones: a carbonyl group attached to the carbon atoms of two other organic groups

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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ketone group

The ketone group corresponds to a thermal effect of 53.52 calories.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

When an osazone is decomposed by boiling with strong acids, the phenyl hydrazine groups break off, leaving a compound containing both an aldehyde and a ketone group.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

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