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Question

Chemistry Question on d -and f -Block Elements

Which of the following ions has the maximum magnetic moment?

A

Mn2+Mn^{2+}

B

Fe2+Fe^{2+}

C

Ti2+Ti^{2+}

D

Cr2+Cr^{2+}

Answer

Mn2+Mn^{2+}

Explanation

Solution

Mn2+(3s2 3p6 3d5)Mn^{2+} (3s^2 \,3p^6\, 3d^5) has the maximum number of impaired electrons (5)(5) and therefore Mn2+Mn^{2+} has maximum magnetic moment.