MHT CET202014 Oct 2020Evening ShiftChemistryCoordination CompoundsActual
Which from following complexes, the central metal ion does NOT obey EAN rule? (Atomic number - Pt =78, Cu =29, Zn =30, Fe =26 )
Options
- A[7 n (N H₃ )₄ ]²⁺
- B[ Cu ( NH ₃ )₄ ]²⁺
- C[ P t ( NH ₃ )₆ ]⁴⁺
- D[ Fe ( G )₆ ]⁴⁻
Correct answer
B. [ Cu ( NH ₃ )₄ ]²⁺
Step-by-step solution
[ Cu ( NH ₃ )₄ ]²⁺ EAN = Z - X + Y =29-2+8=35