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On thermal decomposition of lead nitrate, which solid product is formed besides gases?

Answer and explanation

Correct answer: Lead oxide

On heating, lead nitrate undergoes thermal decomposition: \(2\mathrm{Pb(NO_3)_2} \xrightarrow{\Delta} 2\mathrm{PbO} + 4\mathrm{NO_2} + \mathrm{O_2}\). Therefore, lead oxide, \(\mathrm{PbO}\), is the solid product, whereas nitrogen dioxide and oxygen are gases. Lead chloride cannot form because no chloride source is present in the reaction.

Related tags

ScienceClass 10Chemical ReactionsThermal DecompositionLead NitrateChemical Equations

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