Why are compounds of Ti(IV) colorless? Because Ti(IV) ions have an Ar]3d electro

Question

Why are compounds of Ti(IV) colorless? Because Ti(IV) ions have an Ar]3d electron configuration there are no d - dtransitions that can absorb photons of visible light. Because Ti IV ions have great the energy gap it causes between the t2 and e sets of the metal ion's orbitals. This shifts the wavelength of the absorption maximum to shorter values. O Ti(IV) ions have an [Ar 3d electron configuration there are no electrons on the 4s/orbitals empty that can absorb photons of visible light. Because Ti(IV) ions have small energy gap it causes between the t2 and e sets of the metal ions orbitals. This shifts the wavelength of the absorption maximum to shorter values.

Explanation / Answer

Option A, since Ti atomic Number is 22 and configuration is [Ar]3d24s2

Ti (IV) - [Ar]3d0 , there is no unpaired d electron in 3d orbital for d-d tranistions . Hence colorless.

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