Question

What factors impart characteristic properties to the transition elements?

Answer 1

hey mate,


Colour in transition-series metal compounds is generally due to electronic transitions of two principal types:

charge transfer transitions

d-d transitions

More about charge transfer transitions:
An electron may jump from a predominantly ligand orbital to a predominantly metal orbital , giving rise to a ligand-to-metal charge-transfer (LMCT) transition. These can most easily occur when the metal is in a high oxidation state. For example, the colour of chromate, dichromate and permanganate ions is due to LMCT transitions.

More about d-d transitions:
An electron jumps from one d-orbital to another. In complexes of the transition metals the d orbitals do not all have the same energy. The pattern of splitting of the d orbitals can be calculated using crystal field theory.

Answer 2

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Colour in transition-series metal compounds is generally due to electronic transitions of two principal types:

charge transfer transitions