Which of the following pairs of ions have the | vedclass

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(A) The paramagnetic moment depends on the number of unpaired electrons $(n)$.For $Cu^{2+}$ $(Z=29)$: Electronic configuration is $[Ar] 3d^9$. It has

Vedclass · Accepted Answer

$Cu^{2+}, Ti^{3+}$

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(A) The paramagnetic moment depends on the number of unpaired electrons $(n)$.For $Cu^{2+}$ $(Z=29)$: Electronic configuration is $[Ar] 3d^9$. It has $n=1$ unpaired electron.For $Ti^{3+}$ $(Z=22)$: Electronic configuration is $[Ar] 3d^1$. It has $n=1$ unpaired electron.Since both $Cu^{2+}$ and $Ti^{3+}$ have the same number of unpaired electrons $(n=1)$,they have the same paramagnetic moment.Therefore,the correct pair is $Cu^{2+}, Ti^{3+}$.

Which of the following pairs of ions have the same paramagnetic moment?

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