A) oxalic acid
B) glyoxal
C) formic acid
D) acetaldehyde
E) 2-hydroxy ethanol
Correct Answer: C
Solution :
When ethylene glycol is heated with acidified \[KMn{{O}_{4}},\]the following reaction occurs \[\underset{ethylene\text{ }glycol}{\mathop{\underset{C{{H}_{2}}OH}{\overset{C{{H}_{2}}OH}{\mathop{|}}}\,}}\,\xrightarrow[{}]{Kmn{{O}_{4}}/{{H}^{+}}}\underset{2\text{ }moles\text{ }of\text{ }formic\text{ }acid}{\mathop{\underset{HCOOH}{\overset{HCOOH}{\mathop{+}}}\,}}\,\] i.e., formic acid is formed.
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