Iron(II) Oxalate and Oxalate Ion Concepts

The video tutorial explains how to write the chemical formula for Iron(II) Oxalate. It begins by identifying the element symbol for iron (Fe) and its charge (2+). The tutorial then describes oxalate as a polyatomic ion with a charge of 2-. To form a neutral compound, the charges must balance, resulting in the formula FeC2O4. The video concludes with a summary of the process.

What is the element symbol for iron in Iron(II) Oxalate?

• Ir

• In

• Fe

• Io

What is the charge of the iron ion in Iron(II) Oxalate?

• 4+

• 3+

• 2+

• 1+

Which of the following is true about the oxalate ion?

• It is a cation.

• It has a charge of 2-.

• It is found on the periodic table.

• It is a monatomic ion.

What is the chemical formula for the oxalate ion?

• C2O4

• CO3

• C2O3

• C2H3O2

What is the final formula for Iron(II) Oxalate?

• FeO

• Fe2O3

• FeC2O4

• Fe2C2O4