1.

Which of the following is the correct formulation of the entity according to IUPAC?

A. (Co(CN)<sub>6</sub>)<sup>3-</sup>
B. [Co(CN)<sub>6</sub>]<sup>3-</sup>
C. [Co (CN)<sub>6</sub>]<sup>3-</sup>
D. [Co(CN)<sub>6</sub>]<sup>-3</sup>
Answer» C. [Co (CN)<sub>6</sub>]<sup>3-</sup>


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