Nickel Ii Nitrate

Nickel(II) nitrate is a chemical compound with the formula Ni(NO3)2. It is a green crystalline solid that is soluble in water. The nickel ion (Ni2+) is in the +2 oxidation state and is coordinated by six oxygen atoms from two nitrate ions, resulting in an octahedral geometry.

The molar mass of nickel(II) nitrate is 182.71 g/mol, and its density is 2.05 g/cm3. It has a melting point of 56.7 °C and a boiling point of 136.7 °C. Nickel(II) nitrate is highly hygroscopic, meaning it readily absorbs moisture from the air.

Nickel(II) nitrate can be prepared by dissolving nickel metal or nickel oxide in nitric acid, followed by evaporation and crystallization. It is commonly used as a catalyst in organic synthesis and as a source of nickel ions for electroplating. It is also used in the production of nickel catalysts, pigments, ceramics, and batteries.

Nickel(II) nitrate is a toxic substance and should be handled with care. It is harmful if swallowed, inhaled, or absorbed through the skin. Exposure to nickel(II) nitrate can cause irritation, sensitization, and respiratory problems. Protective equipment, including gloves, goggles, and a respirator, should be worn when handling this compound.