In the Complex Ion [Co(en)₂Br₂]⁺, the Oxidation Number of Co

question 90

Multiple Choice

In the complex ion [Co(en) ₂Br₂]⁺, the oxidation number of Co is

• A) +1.
• B) +2.
• C) +3.
• D) -2.
• E) -1.

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