Oxidation Numbers and Bromine

This video tutorial explains how to determine the oxidation numbers for each element in FeBr3, known as iron(III) bromide. It begins by introducing the concept of oxidation numbers and the rules for calculating them in neutral compounds. The video then demonstrates how to assign oxidation numbers to bromine and iron, ensuring the sum equals zero. Finally, it concludes with a brief explanation of the naming convention for iron(III) bromide.

What is the primary focus of the video tutorial?

• Determining the oxidation numbers in FeBr3

• Understanding the periodic table

• Balancing chemical equations

• Learning about chemical bonding

What is the rule for oxidation numbers in a neutral compound?

• They add up to the number of atoms

• They add up to zero

• They add up to the molecular weight

• They add up to the atomic number

Which group does bromine belong to in the periodic table?

• Group 1

• Group 6A or 16

• Group 7A or 17

• Group 2

What is the oxidation number of bromine in FeBr3?

• +1

• +3

• 0

• -1

How many bromine atoms are present in FeBr3?

• 1

• 2

• 3

• 4

What must be the oxidation number of iron in FeBr3 to balance the compound?

• +1

• +2

• +3

• +4

Why is FeBr3 called iron(III) bromide?

• Because iron has an oxidation number of +1

• Because iron has an oxidation number of +4

• Because iron has an oxidation number of +2

• Because iron has an oxidation number of +3