Question

What happen when Lead Nitrate is heated in a boiling tube and explain with the help of balanced chemical reaction ?

Answer 1

Lead nitrate is formed by reacting lead with nitric acid, so by displacement reaction it forms, lead nitrate ,water and nitrigon di oxide. When lead nitrate is heated, it due to thermal decomposition gives out metal oxide, oxygen and nitrogen dioxide.

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Answer 2

Answer:

When Lead Nitrate is heated in a boiling tube, it decomposes into lead oxide, nitrogen dioxide and oxygen.

It is a thermal decomposition reaction.

▪︎Thermal decompostion reaction:

When decomposition reaction is carried out by heating it is called thermal decomposition.

Decomposition reaction is a reaction in which a compound split up into two or more simpler substances.

The decomposition reaction of Lead Nitrate gives a yellow coloured compound, Lead oxide. And Nitrogen dioxide released in this reaction appears as brown fumes.

Balanced equation:

$Pb{(NO_3)_2} \implies2PbO+ 4{NO_2}+{O_2}$

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