MCQ
What are $N$ and $M$ ?


- A$6,6$
- ✓$6,4$
- C$4,4$
- D$3,3$


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$[Fe(CN)_6]^{4-} \rightarrow [Fe(CN)_6]^{3-} + e^{-1}\, ;$ $ E^o = -0.35\, V$
$Fe^{2+} \rightarrow Fe^{3+} + e^{-1}\ ;$ $E^o = -0.77\, V$
