Question

Na₂CO₃ cannot be used in place of (NH₄)₂CO₃ for the precipitation of the V group because ______.

Options

• NaI interferes in the detection of V group

• Cone. of \[\ce{CO^{2-}3}\] is very low

• Na will react with acid radicals

• Mg will be precipitated

Answer 1

Na₂CO₃ cannot be used in place of (NH₄)₂CO₃ for the precipitation of the V group because Mg will be precipitated.