MCQ
The oxide that shows magnetic property is :
- A$SiO _{2}$
- ✓$Mn _{3} O _{4}$
- C$Na _{2} O$
- D$MgO$
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Reason : Water is polar and benzene is nonpolar.
$MnO_4^ - \, + \,x{e^ - }\,\xrightarrow[{(Alkaline\,\,medium)}]{}MnO_4^{2 - }$
$MnO_4^ - \, + \,y{e^ - }\,\xrightarrow{{(Acidic\,\,medium)}}M{n^{2 + }}$
$MnO_4^ - \, + \,z{e^ - }\,\xrightarrow{{(Neutral\,\,medium)}}Mn{O_2}$