Manipal MET2020ChemistryCoordination Compounds
Which of the following complexes is an outer orbital complex?
Options
- A[ Co ( NH ₃ )₆ ]³⁺
- B[ Fe ( CN )₆ ]⁴⁻
- C[ Ni ( NH ₃ )₆ ]²⁺
- 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