Properties and Reactions of Iron II Oxide

The video explores the reaction of iron II oxide (FeO) with water (H2O). Initially, the properties of iron II oxide as a solid and ionic compound are discussed. The video then checks the solubility of iron II oxide using a solubility table, revealing that it is insoluble in water. Consequently, when FeO is added to water, no reaction occurs, and the compound remains as a black powder at the bottom of the beaker.

What is the physical state of iron II oxide as described in the video?

• Gas

• Liquid

• Solid

• Plasma

What is the appearance of iron II oxide as mentioned in the video?

• Blue powder

• Black powder

• Red powder

• White powder

What type of compound is iron II oxide?

• Covalent

• Ionic

• Metallic

• Molecular

What is the charge on the iron ion in iron II oxide?

• 1+

• 2+

• 4+

• 3+

According to the solubility table, what is the solubility status of iron II oxide in water?

• Soluble

• Insoluble

• Partially soluble

• Highly soluble

What is the role of the solubility table in the experiment?

• To determine the reaction speed

• To predict the color change

• To check the solubility of compounds

• To measure the temperature change

What happens when iron II oxide is mixed with water?

• It forms a new compound

• It remains as a black powder

• It reacts vigorously

• It dissolves completely