The IUPAC name and common name of the acid which is present in spinach in abundance is:

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Methanoic acid and formic acid

Ethanoic acid and acetic acid

Propanoic acid and propionic acid

Ethanedioic acid and oxalic acid.

answer is D.

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Detailed Solution

The chemical formula of oxalic acid is (COOH)₂ or COOH-COOH

According to the IUPAC nomenclature rule, root word 'eth' should be used for oxalic acid as it contains two carbon atoms.

As two COOH groups(functional groups) are present so the suffix "dioic acid" should be used.

So, the IUPAC name of oxalic acid is "ethanedioic acid".

Oxalic acid is the common name or trivial name of ethanedioic acid.

So, spinach contains oxalic acid in abundance and the IUPAC name of oxalic acid is ethanedioic acid.

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