Nickel(II) hydroxide

Nickel(II) hydroxide, also known as nickelous hydroxide, is a chemical compound. Its chemical formula is Ni(OH)₂. It contains nickel in its +2 oxidation state. It also contains hydroxide ions.

The middle tube has nickel(II) hydroxide in it

Properties

It is a light green solid. It does not dissolve in water. It dissolves in acids to make other nickel(II) salts.

Preparation

It is made by reacting a 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