No, they have different formulas and have iron in different oxidation states. Ferrous chloride or Iron II chloride has the Fe2+ ion and the formula FeCl2 Ferric chloride or Iron III chloride has the...
No, not in any way. Potassium chloride is KCl and Magnesium chloride is MgCl2 KCl is used as fertilizers and MgCl2 is used as a highway anti-icer. The only thing they share is Cl in their compound.
No the chloride ion is a chlorine atom that has gained an electron and has a -1 charge. Because it is charged the chloride ion must be accompanied by a positive ion of some sort to balance the...