Question

Which of the following acids does NOT contain two carboxyl groups?

विकल्प

• Succinic acid

• Malonic acid

• Adipic acid

• Valeric acid

Answer 1

Valeric acid

Explanation:

\[\begin{array}{cc}
\ce{CH3}\\
|\phantom{...}\\
\phantom{.}\ce{(CH2)3}\\
|\phantom{...}\\
\phantom{...}\ce{\underset{Valeric acid}{COOH}}
\end{array}\]