Chemical Reactions and Balancing Equations

The video tutorial explains a single displacement reaction where iron displaces hydrogen in H2SO4. It details the process of counting atoms on both sides of the equation, treating the sulfate ion as a single unit for simplicity. The tutorial confirms that the equation is already balanced and discusses the concept of coefficients, which are assumed to be present even if not written. The balanced chemical equation is presented as Fe + H2SO4 → FeSO4 + H2.

What type of reaction is described in the video?

• Decomposition reaction

• Double displacement reaction

• Single displacement reaction

• Synthesis reaction

In the reaction, which element displaces hydrogen?

• Carbon

• Oxygen

• Sulfur

• Iron

How is the sulfate ion treated when counting atoms?

• As separate oxygen and sulfur atoms

• As a single unit

• As a variable component

• As two separate ions

What is the balanced chemical equation for the reaction?

• Fe + H2SO4 → FeS + H2O

• Fe + H2SO4 → FeO + H2

• Fe + H2SO4 → Fe2O3 + H2

• Fe + H2SO4 → FeSO4 + H2

What are the coefficients for the balanced equation?

• 2, 1, 1, 2

• 1, 2, 1, 1

• 1, 1, 1, 1

• 2, 2, 1, 1