Which product in the reaction forms a precipitate?
PbSO4
MgCl2
PbMg
no precipitate formed
In the given reaction, PbSO4 and MgCl2 react to form PbCl2 and MgSO4.
PbCl2 is insoluble in water and forms a precipitate, while MgSO4 is soluble and remains in solution. Therefore, the product PbCl2 forms a precipitate.