MCQ
$KI$ is oxidised into $I_2$ by using the reagent
- A$KMnO_4$ (neutral or slightly alkaline solution)
- BOzone (alkaline solution)
- ✓$CuSO_4$ solution
- DAll of these
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$C(s) + O_2(g) \to CO_2(g) + x\ kJ$
$CO(g) + \frac {1}{2}O_2(g) \to CO_2(g) + y\,kJ$
The heat of formation of $CO(g)$ is
$\begin{array}{*{20}{c}}
{{C_6}{H_5} - C - H} \\
{\,\,\,\,\,\,\,\,\,\,||} \\
{\,\,\,\,\,\,\,\,\,\,\,\,O}
\end{array}\xrightarrow{{N{H_2}OH/{H^ \oplus }}}[X]$
$[X] $ will be :
