MCQ
Which decolourises the colour of acidic $KMn{O_4}$
- A$C{H_3}COOH$
- B$C{H_3}C{H_2}COOH$
- ✓$COOH.\,COOH$
- D$C{H_3}COO{C_2}{H_5}$
✓
Answer
Correct option: C.
$COOH.\,COOH$
c
$\begin{array}{*{20}{c}}
{COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{COOH}
\end{array}$ $+ KMn{O_4} + {H_2}S{O_4} \to 2C{O_2} + {H_2}O$ $ + {K_2}S{O_4} + MnS{O_4}$
$\begin{array}{*{20}{c}}
{COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{COOH}
\end{array}$ $+ KMn{O_4} + {H_2}S{O_4} \to 2C{O_2} + {H_2}O$ $ + {K_2}S{O_4} + MnS{O_4}$
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