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Question
Which of the following carboxylic acids is a tricarboxylic acid?
Options
Oxalic acid
Citric acid
Succinic acid
Adipic acid
MCQ
Solution
Citric acid
Explanation:
Citric acid is a tricarboxylic acid.
\[\begin{array}{cc}
\phantom{........}\ce{COOH\phantom{..}1}\\
|\\
\ce{H\overset{2}{O}OC - CH2 - C - CH2 - C\overset{3}{OO}H}\\
|\\
\phantom{..}\ce{\underset{Citric acid}{OH}}
\end{array}\]
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Classification of Aldehydes, Ketones and Carboxylic Acids
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