MCQ
Among the following the weakest base is
- A${C_6}{H_5}C{H_2}N{H_2}$
- ✓${C_6}{H_5}C{H_2}NHC{H_3}$
- C${O_2}N\,C{H_2}N{H_2}$
- D$C{H_3}NH\,CHO$
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What is $A$
$2Fe(s)\, + \,{O_2}\,(g)\, + \,4{H^ + }(aq)\, \to \,2F{e^{2 + }}(aq) + 2{H_2}O(l)\,;$ $E^o =1.67\,V$
At $[Fe^{2+}] = 10^{-3}\, M$, $p(O_2) = 0.1\,atm$ and $pH = 3$, the cell potential at $25\,^oC$ is .............. $\mathrm{V}$