MCQ
Methanol is now prepared from:
- AWater gas
- BSugar through fermentation
- CWood
- ✓Both $A$ and $B$
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(At. nos. $Mn = 25, Fe = 26, Co = 27, Ni = 28$)
$F{e^{ + 2 }} + 2{e^ - }\, \to \,Fe\,;\,\,\,\,{E^o} = - 0.440\,V$
$F{e^{ + 3 }} + 3{e^ - }\, \to \,Fe\,;\,\,\,\,{E^o} = - 0.036\,V$The standard electrode potential $({E^o})$ for$F{e^{ + 3 }} + {e^ - } \to \,F{e^{ + 2 }}$ is .............. $\mathrm{V}$