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Question
Lead nitrate decomposes on heating to give ______.
Options
\[\ce{NO}\]
\[\ce{N2O}\]
\[\ce{NO2}\]
N\[\ce{2O5}\]
Solution
Lead nitrate decomposes on heating to give \[\ce{\underline{N2O}}\].
Explanation:
On heating, lead nitrate (\[\ce{Pb(NO3)2}\] decomposes to form lead oxide (\[\ce{PbO}\]), nitrogen dioxide (\[\ce{NO2}\]), and oxygen (\[\ce{O2}\]), as per the reaction:
\[\ce{2Pb(NO3)2 −> 2PbO + 4NO2 + O2}\]
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