MCQ
Product "$B$" is :


- A

- B

- ✓

- D








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$Mn^{2+} +2e- \rightarrow Mn;\, E^o = -1.18\,V$
$2(Mn^{3+} +e^- \rightarrow Mn^{2+} )\,;\,E^o=+1.51\,V$
The $E^o$ for $3Mn^{2+} \rightarrow Mn+ 2Mn^{3+}$ will be :