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NEET levelSingle correct optionDifficulty 1 of 3ro075

Ethane-1,2-diol is treated with excess . The organic product is

  1. Amethanal
  2. Bethanal
  3. Cmethanoic acid
  4. Dethanedial (glyoxal)

Answer: A

Periodic acid cleaves the C-C bond between the two carbinol carbons. Each becomes , so 2 mol of methanal form from 1 mol of ethane-1,2-diol.
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