Iron(III) Compounds and Bicarbonate

The video tutorial explains how to write the chemical formula for Iron(III) Bicarbonate. It begins by identifying the element symbol for iron and understanding the significance of the Roman numeral III, which indicates a 3+ charge. The bicarbonate ion, not found on the periodic table, is introduced with its 1- charge. The tutorial then demonstrates how to balance these charges to form an ionic compound, resulting in the formula for Iron(III) Bicarbonate, also known as Iron(III) Hydrogen Carbonate.

What is the element symbol for iron?

• I

• In

• Fe

• Ir

What does the Roman numeral III indicate in Iron(III)?

• The number of isotopes

• The number of neutrons

• The charge of the ion

• The atomic number

Which of the following is true about bicarbonate?

• It has a positive charge

• It is a polyatomic ion

• It is found on the periodic table

• It is a metal

What is the charge on the bicarbonate ion?

• 2+

• 1-

• 0

• 3+

Why is Iron(III) Bicarbonate considered an ionic compound?

• It is made of only non-metals

• It is made of only metals

• It is made of metals and non-metals

• It has no charge

How many bicarbonate ions are needed to balance the charge of one Iron(III) ion?

• Two

• Three

• One

• Four

What is the final formula for Iron(III) Bicarbonate?

• Fe(HCO3)3

• Fe(HCO3)2

• Fe3(HCO3)

• FeHCO3