Potassium chromate is the inorganic compound with the formula (K2CrO4). This yellow solid is the potassium salt of the chromate anion. It is a common laboratory chemical, whereas sodium chromate is important industrially.
Potassium chromate is a potassium salt consisting of potassium and chromate ions in a 2:1 ratio.It is use as oxidising agent.It contains a chromate(2-).Potassium chromate is a yellow crystalline solid. It is soluble in water.