Question:
In view of the signs of $\Delta_{r} G^{\circ}$ for the following reactions
$\mathrm{PbO}_{2}+\mathrm{Pb} \rightarrow 2 \mathrm{PbO}, \Delta_{\mathrm{r}} \mathrm{G}^{\circ}<0$
$\mathrm{SnO}_{2}+\mathrm{Sn} \rightarrow 2 \mathrm{SnO}, \Delta_{\mathrm{r}} \mathrm{G}^{\circ}>0$
Which oxidation states are more characteristic for lead and tin ?
Correct Option: , 4
Solution:
Solution not required