How Many Unpaired Electrons Are There in the Complex Ion

question 48

Multiple Choice

How many unpaired electrons are there in the complex ion [Co(NO₃) ₆]^4-? For this ion, the nitrate ligands produce a very strong crystal field.

• A) 4
• B) 5
• C) 3
• D) 2
• E) 1

---

Definitions:

Privately Held

A company ownership structure where shares are not available to the public and are owned by a relatively small number of shareholders.

Investment

The action or process of allocating resources, usually money, with the expectation of generating an income or profit.

Bankruptcy

A legal proceeding involving a person or business that is unable to repay their outstanding debts.

Government Regulation

Laws and rules imposed by government bodies intended to control or govern conduct and ensure compliance within various industries.