Which of the following has the maximum number | vedclass

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Question

(A) $Fe^{3+} 	o [Ar] 3d^{5} 4s^{0}$,number of unpaired electrons $= 5$ $Fe^{2+} 	o [Ar] 3d^{6} 4s^{0}$,number of unpaired electrons $= 4$ $Co^{2+} \

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$Fe^{3+}$

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(A) $Fe^{3+} 	o [Ar] 3d^{5} 4s^{0}$,number of unpaired electrons $= 5$ $Fe^{2+} 	o [Ar] 3d^{6} 4s^{0}$,number of unpaired electrons $= 4$ $Co^{2+} 	o [Ar] 3d^{7} 4s^{0}$,number of unpaired electrons $= 3$ $Co^{3+} 	o [Ar] 3d^{6} 4s^{0}$,number of unpaired electrons $= 4$ Thus,$Fe^{3+}$ has the maximum number of unpaired electrons.

Which of the following has the maximum number of unpaired electrons?

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