P-Block Elements Ques 500

Question: When PbO2 reacts with conc. HNO3 the gas evolved is

[IIT-JEE (Screening) 2005]

Options:

A) NO2

B) O2

C) N2

D) N2O

Show Answer

Answer:

Correct Answer: B

Solution:

PbO2 is a powerful oxidizing agent and liberate O2 when treated with acids SO, O2 gas will be evolved.



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