MCQ
Which of the following is the strongest base?
- ✓

- B

- C

- D







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$E^o_{Fe^{+2}/Fe} =-0.44\,V$ and $ E^o_{H^+ / O_2 / H_2O} =1.23\, V$
Calculate the $E^o_{cell}$ of the corrosion :- ............. $\mathrm{V}$
$Pt _{( s )}\left| H _2( g , 1\,atm )\right| H ^{+}( aq , 1 M )|| Fe ^{3+}( aq ), Fe ^{2+}( aq ) \mid Pt ( s )$
When the potential of the cell is $0.712\,V$ at $298\,K$, the ratio $\left[ Fe ^{2+}\right] /\left[ Fe ^{3+}\right]$ is $.......$(Nearest integer)
Given: $Fe ^{3+}+ e ^{-}= Fe ^{2+}, E ^{\circ} Fe ^{3+}, Fe ^{2+} \mid Pt =0.771$
$\frac{2.303 RT }{ F }=0.06\,V$