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When PbO2 reacts with conc HNO3, the gas evolved is (a) NO2 (b) O2

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When PbO2 reacts with conc HNO3, the gas evolved is

(a) NO2

(b) O2

(c) N2

(d) N2O

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1 Answer

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Best answer

The correct option (b) O2

Explanation:

PbO2 is a powerful oxidising agent and liberate O2 when treated with conc HNO3. So, O2 gas will be evolved.

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