Q38 / 180 · KCET 2016 · Chemistry

The metal ion having maximum paramagnetic behaviour among the first transition series
elements is,

Correct answer
A
\( M n^{2+} \)
B
\( C u^{2+} \)
C
\( \mathrm{SC}^{2+} \)
D
\( \mathrm{Cu}^{+} \)

Solution

The magnetic moment of the following metal ions are calculated below:

Therefore, \( \mathrm{Mn}^{2+} \) has the maximum magnetic moment.

Hence, the correct answer is option: 'A'.

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