MCQ
What is the correct name of $\mathrm{IF}_7?$
- AIron heptafluoride
- ✓Iodine heptafluoride
- CIodine septafluoride
- DIron $(IV)$ septafluoride
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$MnO_4^ - \, + \,x{e^ - }\,\xrightarrow[{(Alkaline\,\,medium)}]{}MnO_4^{2 - }$
$MnO_4^ - \, + \,y{e^ - }\,\xrightarrow{{(Acidic\,\,medium)}}M{n^{2 + }}$
$MnO_4^ - \, + \,z{e^ - }\,\xrightarrow{{(Neutral\,\,medium)}}Mn{O_2}$
$(A)$ Na and excess of $NH _3$
$(B)$ $K$ and excess of $O _2$
$(C)$ $Cu$ and dilute $HNO _3$
$(D)$ $O _2$ and $2$-ethylanthraquinol
The reaction $X+Y^{2+} \rightarrow x^{2+} +Y$ will be spontaneous when :