Which of the lead oxide is used as 'Sindur'?
Lead (II,IV) oxide, red lead or triplumbic tetroxide, is a bright red or orange crystalline or amorphous solid pigment. Chemically, red lead is Pb3O4, or 2PbO.PbO2. It is used in the manufacture lead glass, rust-proof paints and in sindur.
Hence option D is correct.