MCQ
$HOCH_2·CH_2OH$ on heating with periodic acid gives
  • A
    $2HCOOH$
  • B
    $CHO-CHO$
  • $2\begin{array}{*{20}{c}}
      {^H\backslash } \\ 
      {_H/} 
    \end{array}C = O$
  • D
    $2CO_2$

Answer

Correct option: C.
$2\begin{array}{*{20}{c}}
  {^H\backslash } \\ 
  {_H/} 
\end{array}C = O$
c
$\underset{Ethylene\,\,glycol}{\mathop{\begin{matrix}
   C{{H}_{2}}OH  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{2}}OH  \\
\end{matrix}}}\,$  $+\,\underset{Periodic\,\,acid}{\mathop{\,HI{{O}_{4}}\,\,}}\,\to $ $\underset{(oxidising\,agent)}{\mathop{2\begin{matrix}
   {{}^{H}}  \\
   _{H}  \\
\end{matrix}\begin{matrix}
   \backslash   \\
   /  \\
\end{matrix}C=O+HI{{O}_{3}}}}\,$

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