What Is the Oxidation Number of Co in the Complex

question 20

Multiple Choice

What is the oxidation number of Co in the complex Co(H₂O) ₃Cl₃

• A) +1
• B) +2
• C) +3
• D) +4
• E) None of the above

---

Definitions:

Renal Medulla

The innermost part of the kidney that contains the nephrons responsible for urine concentration.

Renal Papillae

The apexes of the renal pyramids of the kidney, which release urine into the minor calyx.

Collecting Duct

A network of tubules and ducts in the kidneys that plays a role in the concentration and transportation of urine.

Nephron Loop

Also known as the loop of Henle, it's a U-shaped tube in the kidney nephron essential for concentrating urine and conserving water in the body.