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Manipal MET2010ChemistryCarboxylic Acid Derivatives

Oxalic acid when heated with conc H ₂ SO ₄ , gives

Options

  1. AH ₂ O ₂ and CO ₂
  2. BCO and CO ₂
  3. CH ₂ O ₂ and CO
  4. DCO ₂ and H ₂ ~S

Correct answer

B. CO and CO ₂

Step-by-step solution

Concentrated H ₂ SO ₄ is a strong dehydrating agent.

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