M.Sc. Chemistry (PU-CET P.G) 2019 Panjab University Entrance Exam With Answers

Practice Mode:
36.

Which of the following does not obey EAN rule ?

A: [Cu(CN)4]^3-
B: [Pt(NH3)4]^2+
C: [Pd(NH3)6]^4+
D: [Cr(CO)6]

The answer is: B