How Many Unpaired Electrons Are There in the Weak-Field Complex

question 51

Multiple Choice

How many unpaired electrons are there in the weak-field complex ion[CoS(CN) ₄]^2-?

• A)0
• B)1
• C)2
• D)3
• E)4

---

Definitions:

Visceral Pericardium

The inner layer of the pericardium that is in direct contact with the heart, providing a protective and lubricating container.

Epicardium

The outermost layer of the heart wall, consisting of an epithelial layer and connective tissue, which provides lubrication and protection for the heart.

Fibrous Pericardium

The tough, outer layer of the pericardium that encloses the heart and helps protect it.

Pulmonary Arteries

The large blood vessels that carry deoxygenated blood from the heart to the lungs for oxygenation.