MCQ
When ethane $-1, 2-$ dioic acid is heated with conc. $H_2SO_4$, it gives
- A$CO + HCOOH$
- B$CO_2 + HCOOH$
- C$CO + CO_2 + HCOOH$
- ✓$CO + CO_2 + H_2O$
✓
Answer
Correct option: D.
$CO + CO_2 + H_2O$
d
$\begin{array}{*{20}{c}}
{COOH}\\
{\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{COOH}
\end{array}$ $\xrightarrow[\text{(dehydration})]{\text{conc}\text{.}{{\text{H}}_{2}}\text{S}{{\text{O}}_{4}}\text{ , heat}}CO+C{{O}_{2}}+{{H}_{2}}O$
$\begin{array}{*{20}{c}}
{COOH}\\
{\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
{COOH}
\end{array}$ $\xrightarrow[\text{(dehydration})]{\text{conc}\text{.}{{\text{H}}_{2}}\text{S}{{\text{O}}_{4}}\text{ , heat}}CO+C{{O}_{2}}+{{H}_{2}}O$
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