Chemistry PYQ 56 of 152 · Organic Chemistry

Which acid is described as HOOCCOOH?

  1. ACarbonic acid
  2. BOxalic acid
  3. CAcetic acid
  4. DMore than one of the above
  5. ENone of the above

68th BPSC

Show answer and explanation

Correct answer: (b) Oxalic acid

Explanation

Oxalic acid (HOOCCOOH) is a dicarboxylic acid with formula C2H2O4 – two –COOH groups joined together.

Carbonic acid is H2CO3 and acetic acid is CH3COOH, so neither matches HOOCCOOH.

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