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ICSE Class 10 Chemistry 2023 Paper

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[CCl4  PbO,NaCl,CuO,NH4  CI][\mathrm{CCl}_4 \; \mathrm{PbO}, \mathrm{NaCl}, \mathrm{CuO}, \mathrm{NH}_4 \; \mathrm{CI}]
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Question : 87 of 88
Marks: +1, -0
An amphoteric oxide.
Solution:  
Lead oxide : The oxides which behave as acidic and basic oxide both, are called amphoteric oxide.
  PbO(s)+2NaOH(aq)→Na2PbO2(s)\;\mathrm{PbO}(s)+2\mathrm{NaOH}(aq)\rightarrow\mathrm{Na}_2\mathrm{PbO}_2(s) +H2O(l)+\mathrm{H}_2\mathrm{O}(l)
  PbO(s)+2HCl(aq)→PbCl2(s)\;\mathrm{PbO}(s)+2\mathrm{HCl}(aq)\rightarrow\mathrm{PbCl}_2(s) +H2O(l)+\mathrm{H}_2\mathrm{O}(l)
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