What is Nickel(II) sulfate?
[[File:Nickel(II)-sulfate-hexahydrate-sample.jpg|thumb|Nickel(II) sulfate]] '''Nickel(II) sulfate''', also known as '''nickelous sulfate''', is a [[chemical compound]]. Its chemical formula is NiSO<sub>4</sub>. It contains [[nickel]] in its +2 [[oxidation state]]. It also contains [[sulfate]] [[ion]]s. ==Properties== Nickel(II) sulfate is a bluish solid. It dissolves in water. It is normally attached to some water molecules (hydrated). When it is anhydrous (not attached to water molecules), it is yellow. It reacts with [[base (chemistry)|bases]] to make [[nickel(II) hydroxide]]. ==Preparation== It is made by dissolving [[nickel(II) oxide]] or nickel metal in [[sulfuric acid]]. ==Uses== Nickel(II) sulfate is used to make other nickel compounds. It is also used in the [[electroplating]] of nickel on metal objects. It is used in the lab. ==Related pages== *[[Nickel(II) chloride]] *[[Nickel(II) nitrate]] [[Category:Sulfur compounds]] [[Category:Nickel compounds]]