Published by:
CGP EDU Academic Team
Published on: August 12, 2026
on heating with periodic acid giv es
A
B
C
2 
D
Text Solution
Verified by ExpertsThe correct answer is:
C
When 1,2‐diol like ethylene glycol is treated with 
, each alcoholic group is
oxidised to a carbonyl group by 
. Since in glycol, both the −OH groups are terminal so oxidation would yield two formaldehyde molecules.
i . e 
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