Oxidation Numbers and Formic Acid

The video tutorial explains how to determine the oxidation numbers for each element in formic acid (HC). It starts by identifying the compound as neutral, meaning the oxidation numbers must sum to zero. The video details the oxidation numbers for hydrogen (+1) and oxygen (-2), and then calculates the oxidation number for carbon by setting up an equation. The tutorial concludes by verifying that the sum of all oxidation numbers equals zero, ensuring the calculation is correct.

What is another name for formic acid?

• Butanoic acid

• Acetic acid

• Methanolic acid

• Propanoic acid

What is the oxidation number of hydrogen when bonded to non-metals?

• +1

• -1

• 0

• +2

What is the typical oxidation number assigned to oxygen in compounds?

• -2

• +2

• -1

• +1

In a neutral compound, what should the sum of all oxidation numbers equal?

• +2

• -1

• 0

• +1

What is the oxidation number of carbon in formic acid?

• 0

• -2

• +2

• +4

Which element in formic acid has an oxidation number of -2?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

What is the overall charge of formic acid?

• 0

• +2

• +1

• -1