JEE Main Chemistry question
How many of the following are NOT dicarboxylic acids? Oxalic acid, adipic acid, phthalic acid, lactic acid, succinic acid, malonic acid, benzoic acid, n-valeric acid.
Answer: 3
Solution
Oxalic, adipic, phthalic, succinic and malonic acids are all dicarboxylic (5 compounds). Lactic acid (one –COOH, plus an
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