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प्रश्न
Pb(NO3)2 on heating gives a brown gas which undergoes dimerisation on cooling? Identify the gas
उत्तर
Pb(NO3)2 undergoes a decomposition reaction on heating and produces nitrogen dioxide. It dimerises to give N2O4 gas.
2Pb(NO3)2→ 2PbO+4NO2 +O2
2NO2→N2O4
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