What is the difference between $oxalic acid$ $"oxalic acid"$ , and $barbituric acid$ $"barbituric acid"$ ?

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Answer 1 · 2017-06-26T07:23:27

Well look at the formulae........

$Oxalic acid:$ $"Oxalic acid:"$ $H O_{2} C - C O_{2} H$ $HO_2C-CO_2H$ is a conventional diacid

On the other hand $barbituric acid.....$ $"barbituric acid....."$ is a carbon diacid

![https://en.wikipedia.org/wiki/Barbituric_acid]( useruploads.socratic.org )

The acidic hydrogens are the METHYLENE protons on the ring, whose conjugate base is stabilized somewhat by the $β - diketone$ $beta-"diketone"$ .

What is the difference between oxalic acid"oxalic acid", and barbituric acid"barbituric acid"?