Iron(III) Cyanide Chemistry Concepts

The video tutorial explains how to write the formula for Iron(III) Cyanide. It begins by identifying the element symbols and charges for iron and cyanide ions. The tutorial then demonstrates how to balance these charges to form a neutral compound, resulting in the formula Fe(CN)3. The video concludes with a review of the steps and the final formula.

What is the element symbol for iron in the formula for Iron(III) Cyanide?

• Fe

• In

• Ir

• I

What charge does iron have in Iron(III) Cyanide?

• 4+

• 3+

• 2+

• 1+

What is the formula for the cyanide ion?

• CN2

• CNO

• C2N

• CN

What is the charge of the cyanide ion?

• 2+

• 1+

• 2-

• 1-

How many cyanide ions are needed to balance the charge of one iron ion in Iron(III) Cyanide?

• 1

• 3

• 2

• 4

What is the correct formula for Iron(III) Cyanide?

• FeC3N

• FeCN

• Fe(CN)3

• Fe3CN