Chemistry
Lead nitrate decomposes on heating to give:
- NO
- N2O
- NO2
- N2O5
Nitric Acid
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Answer
NO2
Reason — Lead nitrate decomposes on heating to give lead oxide, nitrogen dioxide and oxygen.
2Pb(NO3)2 2PbO + 4NO2 + O2
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The nitrate salt which does not give a mixture of NO2 and O2 on heating is:
- AgNO3
- KNO3
- Cu(NO3)2
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- CuSO4
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In the laboratory preparation of nitric acid, nitre is heated with :
- conc. HCl
- conc. H2SO4
- dil. H2SO4
- conc. H3PO4
Nitric acid is manufactured by :
- Bayer's process
- Haber's process
- Ostwald process
- Contact process