A) \[Z{{n}^{2+}}\] and \[N{{i}^{2+}}\]
B) \[C{{o}^{+3}}\] and \[N{{i}^{4+}}\]
C) \[C{{o}^{2+}}\] and \[N{{i}^{2+}}\]
D) \[T{{i}^{4+}}\] and \[{{V}^{3+}}\]
Correct Answer: B
Solution :
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