0
No, Potassium chromate is a compound
KCrO4 does not exist it is K2CrO4 and is called Potassium Chromate. Potassium dichromate is K2Cr2O7
K2CrO4 + BaSo4 ----------> BaCrO4 (Precipitate) + K2SO4
Potassium Barium Barium Potassium
Chromate Sulphate Chromate Sulphate
It Is A Double Displacement Reaction
Chromate
by the reaction of lead nitrate with potassium chromate or potassium dichromate