Find out the incorrect pair. (a) Sc3+ , Ti4+ (b) Ti3+ , Ti 2+(c) Cr – InterviewSolution

1.

Find out the incorrect pair. (a) Sc3+ , Ti4+ (b) Ti3+ , Ti 2+(c) Cr2+ , Mn3+ (d) Cu+ , Zn2+

Answer»

(b) Ti³⁺ , Ti²⁺

Have d¹ and d¹ configuration whereas others have same configuration.

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