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  • Why thorium (IV) complexes are white in colour?Option: 1 Due to the absence of unpaired electrons in d-and f- orbitals.<div class='qna-

Why thorium (IV) complexes are white in colour?

Option: 1

Due to the absence of unpaired electrons in d-and f- orbitals.


Option: 2

Because it absorbs light in UV spectrum.


Option: 3

Because of the presence of impurities.


Option: 4

Because the complexes are non-stoichiometric.


Answers (1)

best_answer

The absence of d and f orbital electrons makes Thorium(IV) complexes difficult to absorb any visible light and reflect colours.

Posted by

Rakesh

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