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Question

Explain Why scandium can't show variable oxidation state

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Solution

Dear Student,

Electronic Configuration of Scandium : [Ar] 3d14s2


Electronic Configuration of Sc+3 : [Ar] 3d​04s​0

In Sc​+3, Number of electrons in 3d and 4s orbital is zero and its electronic configuration is noble gas ( Argon) configuration which is very stable. Moreover Scandium do not have sufficient electrons in d orbital to show variable oxidation state.

Regards,




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