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

question 78

Multiple Choice

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

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

---

Definitions:

Conditional Formatting

A feature in spreadsheet software that changes the appearance of cells based on specific conditions, such as values being above or below a threshold.

Hyperlink Address

The destination URL that is linked to from a clickable text or object on a webpage or document.

On Click

In programming, an event that occurs when the user clicks on a specific interface element like a button.

Web Link

A reference or pointer, usually in the form of a URL, that directs browsers to a specific web page or location on the internet.