Which of the following ions is diamagnetic?

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Question

(D) An ion is diamagnetic if all its electrons are paired in its electronic configuration.$Ce^{+4}$ has the electronic configuration $[Xe] 4f^0 5d^0 6

Vedclass · Accepted Answer

$Ce^{+4}$

Vedclass · Answer

(D) An ion is diamagnetic if all its electrons are paired in its electronic configuration.$Ce^{+4}$ has the electronic configuration $[Xe] 4f^0 5d^0 6s^0$. Since all orbitals are empty,there are no unpaired electrons,making it diamagnetic.$Pa^{+4}$ has the configuration $[Rn] 5f^1$,which has one unpaired electron.$Yb^{+3}$ has the configuration $[Xe] 4f^{13}$,which has one unpaired electron.$U^{+3}$ has the configuration $[Rn] 5f^3$,which has three unpaired electrons.

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