JEE Main202523 Jan 2025Evening ShiftChemistryCoordination CompoundsActual
Identify the coordination complexes in which the central metal ion has d^4 configuration. Choose the correct answer from the options given below :
Options
- A(B), (C) and (D) only
- B(C) and (E) only
- C(B) and (D) only
- D(A), (B) and (E) only
Correct answer
C. (B) and (D) only
Step-by-step solution
aligned & Fe ⁺⁶=[ Ar ] 3 ~d ^2 & Mn ⁺³=[ Ar ] 3 ~d ^4 & Fe ⁺³=[ Ar ] 3 ~d ^5 & Cr ⁺²=[ Ar ] 3 ~d ^4 & Ni ⁺⁴=[ Ar ] 3 ~d ^6 aligned