3. Based on the sign ∆G°arr of the following reactions: PbO2(c) Pb(c)=2PbО(c); ∆G°298<0;
SnO2 (c) Sn(c)=2SnO(c); ∆G°298 >0. Make a conclusion about which oxidation states are more typical for lead and tin: a) Pb 2, Sn 2 b) Pb 2, Sn 4 c) Pb 4, Sn 2 d) Pb 4, Sn 4.

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.