When lead nitrate is heated the solid residue obtained is of .........?
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When lead nitrate is heated, it decomposes to give lead oxide, nitrogen dioxide and oxygen. Lead oxide is a yellow coloured solid, while nitrogen dioxide is a brown coloured gas. The chemical equation involved in the reaction is : Hence, the colour of the residue obtained by heating lead nitrate is yellow.
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The heating of lead nitrate does produce toxic fumes of lead and nitrogen dioxide. The temperature at which this compound decomposes is 878 degrees Fahrenheit.
2 Pb(NO3)2 (s) produces 2 PbO (s) + 4NO2 + O2 (g)
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