Question #25ef1

1 Answer
Nov 28, 2017

This is 2-pentanone.

Explanation:

IUPAC name for ketones have the suffix -one.
The name also shows where is the carbonyl group.

For example, acetone(#CH_3COCH_3#) has the IUPAC name 2-propanone.

#CH_3CH_2CH_3# propan#color(red)"e"#
#CH_3COCH_3# #color(blue)"2-"#propan#color(red)"one"#

Similarly, #CH_3CH_2CH_2COCH_3# is named after the corresponding alkane #CH_3CH_2CH_2CH_2CH_3# = pentane.

The name of this ketone is 2-propanone.
Here is the answer.
http://www.ivyroses.com/Chemistry/Organic/Naming-Ketones.php