Decomposition Reactions of Mercury II Oxide

The video tutorial explains how to balance the chemical equation for the decomposition of mercury(II) oxide into mercury and oxygen gas. It covers the type of reaction, identifying it as both a decomposition and a redox reaction. The tutorial provides a step-by-step guide to balancing the equation and discusses the states of matter for the reactants and products.

What type of reaction is the decomposition of mercury II oxide?

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

In a decomposition reaction, a compound breaks down into how many substances?

• Two

• Four

• One

• Three

What is another type of reaction that occurs during the decomposition of mercury II oxide?

• Redox

• Combustion

• Acid-Base

• Precipitation

How many mercury atoms are present in the balanced equation for the decomposition of mercury II oxide?

• Four

• One

• Two

• Three

What coefficient is placed in front of HgO to balance the equation?

• 3

• 1

• 4

• 2

What is the physical state of mercury II oxide in the balanced equation?

• Gas

• Solid

• Liquid

• Aqueous

What is the physical state of mercury after the decomposition reaction?

• Gas

• Liquid

• Solid

• Aqueous

What is the physical state of oxygen after the decomposition reaction?

• Aqueous

• Solid

• Liquid

• Gas

Which of the following best describes the overall reaction of mercury II oxide decomposition?

• Single Replacement and Redox

• Decomposition and Redox

• Synthesis and Redox

• Double Replacement and Redox