D And F Block Elements

\(\mathrm{Ti}^{2+}\) has \(3 d^2\) configuration

\(\mathrm{Ti}^{4+}\) has \(3 d^2\) configuration

\(\mathrm{Ti}^{2+}\) is very small cation when compared to \(\mathrm{Ti}^{2+}\) and hence, doesn't absorb any radiation

There is no crystal field effect in \(\mathrm{Ti}^{4+}\)