List of top Chemistry Questions on GROUP 14 ELEMENTS asked in AIPMT

A nuclide of an alkaline earth metal undergoes radioactive decay by emission of three $\alpha$-particles in succession. The group of the periodic table to which the resulting daughter element would belong is

$ { PbO_2 -> PbO \, \Delta G_{298} < 0 }$ $ { SnO_2 -> SnO \, \Delta G_{298} > 0}$ Most probable oxidation state of Pb & Sn will be :