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  • Nitric acid is an oxidising agent and reacts with PbO but it does not react with PbO_2. Explain why?

Nitric acid is an oxidising agent and reacts with PbO but it does not react with PbO_{2}. Explain why?

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We know that HNO3 is and oxidising agent and PbO_2 is a basic oxide. Therefore, it is unlikely that any reaction will occur between them, however, the acid base reaction occurs between these two compounds, as shown below:

2PbO + 4HNO_{3} \rightarrow 2Pb(NO_{3})_{2} + 2H_{2}O

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