1.

Which of the following statement are true.

Answer»

RED lead `(Pb_(3)O_(4))` is diamagnetic and contains both `Pb^(+2)` and `Pb^(+4)` ions.
Both `PbO` and `PbO_(2)` are amphoteric in nature.
Stannate and plumbate ions result in `SnO_(2)` and `PbO_(2)` with ACIDIC solution.
Concentrated NITRIC ACID oxidises red lead into lead dioxide.

Solution :N//A


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