Respuesta :

Any specie that has d^0 or d^10 is unlikely to have color in coordination compounds.

A coordination compound has color if there are incompletely filled d orbitals present in the central metal atom/ion in the compound. The colors are believed to arise from weak d - d transitions that result in spectral bands in the visible region of the spectrum.

Though the options in the question were not shown, any specie that has d^0 or d^10 is unlikely to have color in coordination compounds.

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