What is the equation of iron reacting with iron(|||) ions to form iron(||) ions?

The equation for the reaction of iron with iron(|||) ions to form iron(||) ions can be determined by understanding the charges of the iron species involved. Iron(|||) ions have a charge of +3, while iron(||) ions have a charge of +2.

To determine the equation, we need to balance the charges on both sides. Since iron(|||) ions have a charge of +3, and iron(||) ions have a charge of +2, we'll need two iron(||) ions to balance out the charge of three iron(|||) ions.

The balanced equation for this reaction is as follows:

3 Fe^3+ + 2 Fe^2+ → 5 Fe^2+

This equation represents the reaction of three iron(|||) ions (Fe^3+) reacting with two iron(||) ions (Fe^2+) to produce five iron(||) ions (Fe^2+).