Question

Which of the following compounds contains the lead (iv) ion?
a. pbo2
b. pbcl2
c. pb2o
d. pb4o3

Answer 1

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!

Answer 2

Answer A is right! :)