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Chemistry Question on Order of Reaction

The correct order of the number of unpaired electrons in the given complexes is
A. [Fe(CN)6]3–[Fe(CN)_6]^{3–}
B. [FeF6]3–[FeF_6]^{3–}
C. [CoF6]3–[CoF_6]^{3–}
D. [Cr(oxalate)3]3–[Cr(oxalate)_3]^{3–}
E. [Ni(CO)4][Ni(CO)_4]
Choose the correct answer from the options given below:

A

A < E < D < C < B

B

E < A < B < D < C

C

E < A < D < C < B

D

A < E < C < B < D

Answer

E < A < D < C < B

Explanation

Solution

The correct option is (C): E < A < D < C < B