Question

What is the name of this following compound?

$C{H}_{3}C{H}_{2}COCl$

• A. Butanoyl chloride
• B. Propanoyl chloride
• C. 1 chloro propanone
• D. None of these

Answer 1

The correct option is B Propanoyl chloride

$\stackrel{3}{C}{H}_3\stackrel{2}{C}{H}_2\stackrel{1}{C}OCl$

This is an acid chloride. In the IUPAC name the suffix "$\text{oyl chloride}$" is added.

The number of carbon atoms in the chain is $3$. The name will be $\text{propanoyl chloride}$ .

Therefore, the correct option is B.