Which of the following is more paramagnetic?

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(B) To determine the paramagnetic nature,we calculate the number of unpaired electrons $(n)$ in each ion:$Fe^{2+}$ $(Z=26)$: $[Ar] 3d^6$,$n=4$$Fe^{3+}

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$Fe^{3+}$

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(B) To determine the paramagnetic nature,we calculate the number of unpaired electrons $(n)$ in each ion:$Fe^{2+}$ $(Z=26)$: $[Ar] 3d^6$,$n=4$$Fe^{3+}$ $(Z=26)$: $[Ar] 3d^5$,$n=5$$Cr^{3+}$ $(Z=24)$: $[Ar] 3d^3$,$n=3$$Mn^{3+}$ $(Z=25)$: $[Ar] 3d^4$,$n=4$Since $Fe^{3+}$ has the highest number of unpaired electrons $(n=5)$,it is the most paramagnetic.

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