MCQ
Identify the coordination complexes in which the central metal ion has $d ^4$ configuration.
(A) $\left[ FeO _4\right]^{2-}$
(B) $\left[ Mn ( CN )_6\right]^{3-}$
(C) $\left[ Fe ( CN )_6\right]^{3-}$
(D)
(E) $\left[ NiF _6\right]^{2-}$
Choose the correct answer from the options given below :
(A) $\left[ FeO _4\right]^{2-}$
(B) $\left[ Mn ( CN )_6\right]^{3-}$
(C) $\left[ Fe ( CN )_6\right]^{3-}$
(D)
(E) $\left[ NiF _6\right]^{2-}$
Choose the correct answer from the options given below :
- A(C) and (E) only
- B(B), (C) and (D) only
- ✓(B) and (D) only
- D(A), (B) and (E) only