P Block Elements

$\mathrm{Sn}^{+4}$ is reducing agent but $\mathrm{Pb}^{+4}$ is an oxidising agent.

$\mathrm{Sn}^{+4}$ is an oxidising agent but $\mathrm{Pb}^{+2}$ is a reducing agent.

$\mathrm{Sn}^{+2}$ is reducing agent but $\mathrm{Pb}^{+4}$ is an oxidising agent.

$\mathrm{Sn}^{+2}$ is an oxidising agent but $\mathrm{Pb}^{+4}$ is reducing agent.