Oxidation Numbers of Chlorine and Oxygen

The video tutorial explains how to determine the oxidation numbers for each element in Cl2O, known as dichlorine monoxide. It begins by stating that Cl2O is a neutral compound, meaning the oxidation numbers must sum to zero. The tutorial highlights that while chlorine typically has an oxidation number of -1, when bonded to more electronegative elements like oxygen, its oxidation state changes. The video then focuses on oxygen's oxidation number of -2 and calculates the oxidation numbers for Cl2O, concluding that each chlorine has an oxidation number of +1. The tutorial ends with a summary of these findings.

What is the total sum of oxidation numbers in a neutral compound like Cl2O?

• It is always positive.

• It is always negative.

• It is zero.

• It varies depending on the compound.

When chlorine is bonded to oxygen, what happens to its typical oxidation number?

• It becomes more negative.

• It becomes more positive.

• It cannot be determined.

• It remains the same.

Why can't we determine chlorine's charge in Cl2O just by looking at the rules?

• Because oxygen is more electronegative.

• Because chlorine is not bonded to any element.

• Because chlorine is always neutral.

• Because the rules are not applicable to Cl2O.

What is the oxidation number of oxygen in Cl2O?

• +2

• +1

• -1

• -2

How do you calculate the oxidation number of chlorine in Cl2O?

• By considering the electronegativity of oxygen.

• By assuming it is always -1.

• By assuming it is always +2.

• By using the oxidation number of hydrogen.

What is the oxidation number of each chlorine atom in Cl2O?

• +2

• +1

• 0

• -1