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  • The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition element, which shows the highest magnetic moment. (i) {3d}^{7} (ii) {3d}^{5} (iii) {3d}^{8} (iv) {3d}^{2}

The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition element, which shows the highest magnetic moment.

(i) \text {3d}^{7}

(ii) \text {3d}^{5}

(iii) \text {3d}^{8}

(iv) \text {3d}^{2}

Answers (1)

The answer is the option (ii).The value of magnetic moment is directly proportional to the number of unpaired electrons. Therefore,  \text {3d}^{5} has maximum number of unpaired electrons and highest magnetic moment.

\mu =\sqrt{5(5+2)}=\sqrt{35}=5.95

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