Chemistry

Problem

Correct stability order of metal cation is/are : a.

\text{Pb}^{2+} < \text{Sn}^{2+}

\text{Pb}^{4+} < \text{Pb}^{2+}

\text{Sn}^{4+} < \text{Sn}^{2+}

\text{Pb}^{4+} < \text{Sn}^{4+}