Consider the [CoCl₆]^4- Ion

question 86

Multiple Choice

Consider the [CoCl₆]^4- ion. Determine which responses are true statements.
I. The oxidation number of Co is -4.
II. The coordination number of cobalt is 6.
III. It is paramagnetic.
IV. It is a low-spin complex.

• A) I, II, III, IV
• B) I, IV
• C) II, III
• D) I, III
• E) III, IV

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