MCQ
German silver is an alloy of $Cu$ with
- ✓$Zn$ and $Ni$
- B$Ag$
- C$Zn$ and $Sn$
- D$Sn$ and $Ni$
German Silver is an alloy of copper, zinc and nickel, with a usual composition of $60\,\% Cu , 20\,\% Ni$, and $20\,\% Zn$. It was originally named for its silver-white colour, but the term 'silver' is now prohibited for alloys not containing that metal.
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$Cu^+ /Cu = + 0.52\, V$,
$Fe^{3+} /Fe^{2+} = +0.7 7\, V$,
$\frac{1}{2}{I_2}\left( s \right)/{I^ - }\, = + 0.54\,V,$
$Ag^+ /Ag = + 0.88\,V$.
Based on the above potentials, strongest oxidizing agent will be