Question

How does the crystal field theory explain the colour of coordination compounds?

Answer 1

Answer:

Coordination compounds as follows : A d-orbital splits into multiple orbitals, the process being called crystal field splitting. When white light falls on the compound, an electron makes a transition into a higher state thus absorbing a particular wavelength of light.

Answer 2

Answer:

Crystal field splitting is the splitting of d-orbital or f-orbitals into multiple orbitals. This breaking of orbitals is caused due to the static electric field produced by distribution of neighboring charge.

When a beam of white light passes through a compound, an electron moves from lower energy state to higher energy state due to absorption of a particular wavelength of light. Rest of the light is reflected back. This reflected light is thus responsible for color of the compound.

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