A) \[S{{m}^{2+}}\]
B) \[E{{u}^{2+}}\]
C) \[Y{{b}^{2+}}\]
D) \[C{{e}^{2+}}\]
Correct Answer: C
Solution :
| \[S{{m}^{2+}}(Z=62)\] |
| \[[Xe]4{{f}^{6}}6{{s}^{2}}-6\]Unpaired \[{{e}^{-}}\] |
| \[E{{u}^{2+}}(Z=63)\] |
| \[[Xe]4{{f}^{7}}6{{s}^{2}}-7\]Unpaired \[{{e}^{-}}\] |
| \[Y{{b}^{2+}}(Z=70)\] |
| \[[Xe]4{{f}^{14}}6{{s}^{2}}-0\]Unpaired |
| \[{{e}^{-}}C{{e}^{2+}}(Z=58)\] |
| \[[Xe]4{{f}^{1}}5{{d}^{1}}6{{s}^{2}}-2\]Unpaired \[{{e}^{-}}\] |
| Only \[Y{{b}^{2+}}\] is diamagnetic. |
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