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]3– (D) Cr2(O–C–Me)4 (H2O)2 O (E) [NiF6]2– Choose the correct answer f

Question

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]3– (D) Cr2(O–C–Me)4 (H2O)2 O (E) [NiF6]2– Choose the correct answer from the options given below:

(A) (C) and (E) Only
(B) (B) and (D) Only
(C) (A), (B) and (E) Only
(D) (B), (C) and (D) Only

Prashant Kotian · Accepted Answer

Correct answer: B. [FeO4]2– : Fe6+ : [Ar] 4s03d2 [Mn (CN)6]3– : Mn3+ : [Ar] 4s0 3d4 [Fe (CN)6]3– : Fe3+ : [Ar] 4s0 3d5 Cr2 O–C–Me O – (H2O)20 : Cr2+ : [Ar] 4s0 3d4 [NiF6]2– : Ni4+ : [Ar] 4s0 3d6   Answer is (B) & (D) only (2)

💡 Solution & Explanation

Practice 22,000+ questions like this