Which one of the following lanthanide ions do | vedclass

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Question

(A) Generally,paramagnetism is shown by lanthanoid ions. The paramagnetism arises due to the presence of unpaired electrons in the $f$-orbital.$Lu^{3+

Vedclass · Accepted Answer

$Lu^{3+}$

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(A) Generally,paramagnetism is shown by lanthanoid ions. The paramagnetism arises due to the presence of unpaired electrons in the $f$-orbital.$Lu^{3+}$ has the electronic configuration $[Xe] 4f^{14}$.Since all $14$ electrons are paired in the $4f$ subshell,$Lu^{3+}$ does not have any unpaired electrons.Therefore,it is diamagnetic and does not exhibit paramagnetism.

Which one of the following lanthanide ions does not exhibit paramagnetism?

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