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Manipal MET2020ChemistryCoordination Compounds

Which of the following complexes is an outer orbital complex?

Options

  1. A[ Co ( NH ₃ )₆ ]³⁺
  2. B[ Fe ( CN )₆ ]⁴⁻
  3. C[ Ni ( NH ₃ )₆ ]²⁺
  4. D[ Mn ( CN )₆ ]⁴⁻

Correct answer

C. [ Ni ( NH ₃ )₆ ]²⁺

Step-by-step solution

A. [ Co ( NH ₃ )₆ ]⁺³ inner orbital (d^2 s p^3 ) complex B. [ Fe ( CN )₆ ]⁴⁻ inner orbital (d^2 s p^3 ) complex C. [ Ni ( NH ₃ )₆ ]²⁺ outer orbital (s p^3 d^2 ) complex D. [ Mn ( CN )₆ ]²⁻ inner orbital (d^2 s p^3 ) complex

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