Understanding Potassium Permanganate

The video tutorial explains how to name the compound KMnO4 by identifying K as potassium, a metal, and MnO4 as a polyatomic ion, permanganate. It details the steps to write the name by first identifying the metal and then the polyatomic ion. The tutorial also covers how to write the formula for potassium permanganate by understanding the charges of potassium and permanganate ions. The video concludes with a thank you from Dr. B.

What is the metal component in KMnO4?

• Potassium

• Oxygen

• Iron

• Manganese

What type of ion is MnO4 in the compound KMnO4?

• Cation

• Polyatomic ion

• Monatomic ion

• Anion

What is the name of the polyatomic ion MnO4?

• Sulfate

• Nitrate

• Permanganate

• Carbonate

What is the correct name for the compound KMnO4?

• Potassium Oxide

• Potassium Permanganate

• Potassium Manganate

• Potassium Chloride

What is the charge of the potassium ion in KMnO4?

• 2+

• 2-

• 1+

• 1-

How many potassium ions are needed to balance the charge of one permanganate ion in KMnO4?

• Four

• One

• Three

• Two