Question

What is the IUPAC name for CH3COCH2CH3?

Answer 1

Hydrocarbon having four carbon atoms with single bonds are called “Butane”. So its IUPAC name is Butanone as it has a ketone functional group at the end.

Answer 2

The IUPAC name of the compound with the chemical formula $CH_3COCH_2CH_3$ is Butan-2-one or 2-Butanone.

Explanation:

• The given compound contains 4 carbon atoms. Thus the root word is '-But'.
• As all the carbon atoms are attached by a single bond, the nature of bonding is denoted by '-ane'.
• The functional group present in the structure is 'C=O', which is called a ketone group. Thus the name of the compound must be suffixed with "-one".
• For the numbering of the carbon atom and location of the functional group refer to the attachment.
• According to the structure given in the attachment, the IUPAC name of the given compound is identified as Butan-2-one.

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