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Q.What are ketones? How are ketones classified?

Maharashtra MsbshseMaharashtra HSC (MSBSHSE) Board 2016Subjective· 2mImportance★★★★★
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Ketones (R-CO-R') are classified as simple vs mixed, and aliphatic vs aromatic.

Ketones are a class of organic compounds in which the carbonyl group (C=O) is bonded to two carbon atoms (i.e., to two alkyl and/or aryl groups), with the general formula R-CO-R'.

Classification:

  1. Simple (symmetrical) ketones: both alkyl/aryl groups attached to the carbonyl carbon are identical, e.g. CH3-CO-CH3CH_3\text{-}CO\text{-}CH_3 (acetone/propanone).
  2. Mixed (unsymmetrical) ketones: the two groups attached are different, e.g. CH3-CO-C2H5CH_3\text{-}CO\text{-}C_2H_5 (ethyl methyl ketone/butanone). …
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