state gov BSSC Laboratory Assistant Mock Test Series 2025 Chemistry d And f - Block Elements The Transition Elements (d-Block)
Identify the coordination complexes in which the central metal ion has d4 configuration.
(A) [FeO4]2–
(B) [Mn(CN)6]3–
(C) [Fe(CN)6]
(D)
(E) [NiF6]2–
Choose the correct answer from the options given below :
1
(C) and (E) only
2
(B), (C) and (D) only
3
(B) and (D) only
4
(A), (B) and (E) only