Nickel(II) chromate

Nickel(II) chromate, also known as nickel chromate, is an inorganic compound with the chemical formula NiCrO₄. It exists as a yellow to brown solid.

Properties

The properties of nickel(II) chromate can vary depending on its hydration state. It is generally insoluble in water. Thermal decomposition yields nickel(II) oxide (NiO) and chromium(III) oxide (Cr₂O₃).

Synthesis

Nickel(II) chromate can be synthesized through various methods, including the reaction of a nickel(II) salt solution with a chromate salt solution, resulting in the precipitation of nickel(II) chromate. For instance, the reaction of nickel(II) chloride with potassium chromate can produce nickel(II) chromate.

Uses

Nickel(II) chromate has limited industrial applications. It has been researched for use as a catalyst in certain chemical reactions. It has also found use as a pigment.

Safety

Nickel(II) chromate, like other chromates, is considered a hazardous substance. It is a known carcinogen and can cause allergic reactions in sensitive individuals. Appropriate safety precautions should be taken when handling this compound, including wearing protective gloves and eyewear, and ensuring adequate ventilation. Exposure should be minimized.