Question

What is the IUPAC name of $C{H}_{3}CO-C{H}_3$ ?

• A. Dimethyl ketone
• B. Acetone
• C. Propanal
• D. Propanone

Answer 1

Answer: (D)

$\stackrel{1}{C{H}_3}-\stackrel{2}{\mathrm{CO}}-\stackrel{3}{C{H}_3}$
Ketones are named by adding the suffix '-one' in place of ' $-e$ ' of alkane. Thus IUPAC name is propanone.