MHT CET2017ChemistryCoordination Compounds
Which of the following co-ordinate complexes is an exception to EAN rule? (Given At. Number Pt = 78, Fe = 26, Zn = 30, Cu = 29)
Options
- A[ P t ( N H 3 ) 6 ] 4 +
- B[ F e ( C N ) 6 ] − 4 	
- CZ n N H 3 4 2 +
- DC u N H 3 4 2 +
Correct answer
D. C u N H 3 4 2 +
Step-by-step solution
For C u N H 3 4 2 + , EAN = 29 − 2 + 4 ( 2 ) = 0 27 + 8 = 35