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CGP EDU Academic Team
Published on: August 12, 2026
[Sc(H 2 O) 6 ] 3+ ion is :
Text Solution
Verified by ExpertsThe correct answer is:
C
The electron configuration of 21 Sc +3 is [Ar] 18 3d 0 4s 0 . All electrons are paired and thus diamagnetic. As there is no unpaired electron in d-orbital, therefore, there is no d-d transition of electron. So according to crystal field theory the compound is colourless.
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