MCQ
An alloy which does not contain copper is
- ✓Solder
- BBronze
- CBrass
- DBell metal
Bronze $(Cu + Sn)$,
Brass $(Cu + Zn)$,
Bell metal $(Cu + Sn)$.
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$Ni^{2+} | Ni = -0.25\, V$ ;
$Cu^{2+} | Cu = 0.34\, V$
$Ag^+ | Ag = 0.80\, V$ ;
$Zn^{2+} | Zn = -0.76 \,V$
Which of the following reactions under standard condition will not take place in the specified direction