MCQ
Brass is an alloy of
- A$Zn $ and $ Sn$
- ✓$Zn$ and $ Cu$
- C$Cu, Zn $ and $Sn$
- D$Cu$ and $Sn$
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$Zn(s) + Cu^{2+}(M) \to Zn^{2+}(M') + Cu(s);$ $E^o _{cell} = 1.10\,V$
$X$-axis :$log_{10}$ $\frac{{[Z{n^{2 + }}]}}{{[C{u^{2 + }}]}}$, $Y$ -axis : $E_{cell}$
$'A'$ on reaction with sodium hypoiodite gives $'B',$ which on further heating with soda lime gives ' $C$ '. The compound ' $C$ ' is $....... .$