Oxidation Numbers and Compounds

The video tutorial explains how to find oxidation numbers for each element in ammonium bromide (NH4Br). It starts by identifying NH4Br as a neutral compound, meaning the sum of oxidation numbers equals zero. The tutorial then details the process of assigning oxidation numbers to hydrogen and bromine, and solving for nitrogen's oxidation number using a simple equation. The conclusion confirms the calculated oxidation numbers, emphasizing the neutrality of the compound.

What is the overall charge of the compound ammonium bromide (NH4Br)?

• Neutral

• Variable

• Negative

• Positive

In the compound NH4Br, what symbol is used to represent the unknown oxidation number of nitrogen?

• Y

• Z

• N

• X

When hydrogen is bonded to non-metals, what is its typical oxidation number?

• -1

• +1

• 0

• +2

What is the usual oxidation number for bromine in compounds?

• -1

• 0

• +2

• +1

How many hydrogen atoms are present in the compound NH4Br?

• 1

• 2

• 3

• 4

What is the oxidation number of nitrogen in NH4Br after calculation?

• +3

• -3

• 0

• +1

What is the sum of the oxidation numbers in a neutral compound like NH4Br?

• 1

• -1

• 0

• 2