Oxidation state of Pb in PbO2 is +4.
Oxidation state of Pb in PbCl2 is +2.
Oxidation state of Pb in Pb2O is +1.
Oxidation state of Pb in Pb4O3 is +6/4.
Hence option A. PbO2 is correct.
Hope this helps, have a nice day!
The molecules in gas are farther apart and have more room to bounce around than liquid
Answer:
It is a semi circle with a triangle on top
Bottle 1 is a compound bottle 2 is element bottle 3 is a element bottle 4 is a element
The answer is B. Acid turns blue litmus paper to red