3. Hydroxylammonium chloride (3) reacts with iron(III) chloride (3), in

solution to produce iron(II) chloride (2), as well as , 2, and a compound of

nitrogen. It was found that 2.00 g of iron(III) chloride reacted in this way with 31.0 mL of

0.200 M hydroxylammonium chloride. Suggest a possible formula for the compound of

nitrogen that was produced. This should be a known nitrogen compound.