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Sc^3+ is a paramagnetic ion.(a) True(b) FalseI have been asked this question during an interview.Asked question is from D and F-Block Elements topic in section D and F-Block Elements of Chemistry – Class 12

Answer»

Correct answer is (b) False

Easy explanation: Scandium (ATOMIC no.21, symbol-Sc) has the FOLLOWING electronic CONFIGURATION:

[Ar] 3d^14s^2

In its Sc^3+ state, scandium LOSES the 4S and 3d electrons and is colourless. Hence, Sc^3+ is diamagnetic and not paramagnetic.



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