What is Nickel(II) hydroxide?
[[File:DSC01973 - Nickel (II) reactions.JPG|thumb|The middle tube has nickel(II) hydroxide in it]] '''Nickel(II) hydroxide''', also known as '''nickelous hydroxide''', is a [[chemical compound]]. Its [[chemical formula]] is Ni(OH)<sub>2</sub>. It contains [[nickel]] in its +2 [[oxidation state]]. It also contains [[hydroxide]] [[ion]]s. ==Properties== It is a light green [[solid]]. It does not dissolve in water. It dissolves in acids to make other nickel(II) [[salt]]s. ==Preparation== It is made by reacting a [[base (chemistry)|base]] containing hydroxide ions with a nickel(II) salt, such as [[nickel(II) chloride]]. ==Uses== Nickel(II) hydroxide is used in the [[nickel cadmium battery]] and the [[nickel-metal hydride battery]]. ==Related pages== *[[Nickel(II) nitrate]] *[[Nickel(II) sulfate]] [[Category:Nickel compounds]]