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In view of the signs of \( \Delta_{\mathrm{r}} \mathrm{G} \) for the following reactions
\( \mathrm{PbO}_{2}+\mathrm{Pb} \rightarrow 2 \mathrm{PbO}, \Delta_{\mathrm{r}} \mathrm{G}0 \)
\( \mathrm{SnO}_{2}+\mathrm{Sn} \rightarrow 2 \mathrm{SnO}, \Delta_{\mathrm{r}} \mathrm{G}0 \)
Which oxidation states are more characteristic for lead and tin ?
(1) For lead \( +4 \), for \( \operatorname{tin}+2 \)
(2) For lead \( +2 \), for \( \operatorname{tin}+2 \)
(3) For lead \( +4 \), for \( \operatorname{tin}+4 \)
(4) For lead \( +2 \), for tin \( +4 \)
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