Organic acids and alcohols react together to form esters. Which pairs of compounds could produce a product of molecular formula C₄H₆O₄? 1 CH₃CO₂H and C₂H₅OH 2 HCO₂H and HOCH₂CH₂OH 3 HO₂CCO₂H and CH₃OH
✓ Correct answer
C: 2 and 3 only are correct
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