MCQ
$KI$ is oxidised into $I_2$ by using the reagent
- A$KMnO_4$ (alkaline solution)
- ✓Ozone (alkaline solution)
- C$CuSO_4$ solution
- DAll of these
✓
Answer
Correct option: B.
Ozone (alkaline solution)
b
$H_2S_2O_5$ $\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,}
\end{array}} \\
{HO - S - \ddot S - OH} \\
{||\,\,\,\,\,\,\,\,||} \\
{O\,\,\,\,\,\,O}
\end{array}$
$H_2S_2O_5$ $\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,}
\end{array}} \\
{HO - S - \ddot S - OH} \\
{||\,\,\,\,\,\,\,\,||} \\
{O\,\,\,\,\,\,O}
\end{array}$
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