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Which oxidation states are more characteristics for lead and tin

In view of the signs of `triangle_r` Gº for the following reactions :

`PbO_2+Pb->2PbO ,D_rG^o<0,`

`SnO_2+Sn->2SnO, D_rG^o>0`

Which oxidation states are more characteristics for lead and tin

For lead + 4, for tin + 2

for lead +2 , for tin + 2

for lead +4, for tin + 4

for lead +2, for tin +4

In view of the signs of `triangle_r` Gº for the following reactions :`PbO_2+Pb->2PbO ,D_rG^o<0,``SnO_2+Sn->2SnO, D_rG^o>0`Which oxidation states are more characteristics for lead and tin