What Is the Oxidation Number of Cobalt in [Co(NH₃)₄F₂]

question 149

Multiple Choice

What is the oxidation number of cobalt in [Co(NH₃) ₄F₂]?

• A)-3
• B)+2
• C)+1
• D)+3
• E)+6

---

Definitions:

Heuristic

A simple, efficient rule or method used to make decisions, learn something, or solve problems quickly.

Door-In-The-Face Tactic

Multiple-request technique to gain compliance, in which the focal request is preceded by a larger request that is bound to be refused.

Compliance Technique

Strategies used to persuade or influence others to agree with or obey a request or command.

Emotional Tactic

A strategy that uses emotions to influence or manipulate others' decisions or perceptions.