Oxidation Numbers and Compounds

The video tutorial explains how to determine the oxidation numbers for each element in hypobromous acid (HBrO). It begins by noting that HBrO is a neutral compound, meaning the oxidation numbers must sum to zero. The tutorial assigns +1 to hydrogen, considers bromine's variable oxidation state, and assigns -2 to oxygen. An algebraic equation is set up to solve for bromine's oxidation state, which is found to be +1. The video concludes with a summary of the process and emphasizes the importance of understanding how to calculate oxidation numbers.

What is the overall charge of the compound HBrO?

• Depends on the conditions

• Neutral

• Negative

• Positive

What is the oxidation number of hydrogen when it is bonded to nonmetals?

• +1

• +2

• 0

• -1

In which group is bromine found, and what is its usual oxidation number?

• Group 15, +3

• Group 18, 0

• Group 17, -1

• Group 16, -2

Why is the oxidation number of bromine in HBrO not straightforward?

• It is a metal

• It is always +1

• It is bonded to a more electronegative element

• It is in a different group

What is the oxidation number of oxygen in most compounds?

• 0

• -2

• +2

• -1

What equation is set up to find the oxidation number of bromine in HBrO?

• x + 1 = 0

• 1 + x + 2 = 0

• 1 + x - 2 = 0

• x - 2 = 0

What is the final oxidation number of bromine in HBrO?

• +2

• +1

• 0

• -1