Understanding Iron Compounds and Hydroxide

The video tutorial explains how to name the compound Fe2 using systematic rules. It begins by identifying the metal as iron from the periodic table and the non-metal group as the hydroxide ion. Since iron is a transition metal, its charge is determined by the charge of the hydroxide ions it bonds with. The hydroxide ion has a charge of 1-, and with two hydroxide ions, the iron must have a charge of 2+ to balance the compound. The name is finalized as iron(II) hydroxide, with the Roman numeral indicating the charge of the iron.

What is the metal in the compound Fe2?

• Silver

• Zinc

• Iron

• Copper

Which ion is represented by 'OH' in the compound?

• Nitrate

• Carbonate

• Sulfate

• Hydroxide

Why is it important to determine the charge of iron in Fe2?

• To find the number of atoms

• To determine the color of the compound

• To balance the chemical equation

• To correctly name the compound

What is the charge of the hydroxide ion?

• 2-

• 1+

• 2+

• 1-

How is the charge of iron indicated in the compound name?

• Using Arabic numerals

• Using Roman numerals

• Using Greek letters

• Using chemical symbols

What is the full name of the compound Fe2?

• Iron(II) hydroxide

• Iron(II) oxide

• Iron(III) oxide

• Iron(III) hydroxide