Question

Write a balanced equation lead nitrate crystals are heated strongly

Answer 1

Pb(NO3)2------->pbO + NO2 +O2

Answer 2

$2Pb(NO_3)_2\rightarrow 2PbO+4NO_2+O_2$

Explanation:

The chemical formula of the given compound which is lead nitrate is $Pb(NO_3)_2$

The chemical equation for the dissociation of lead nitrate follows law of conservation of mass as atoms of each element are balanced on each side of the reaction.

$2Pb(NO_3)_2\rightarrow 2PbO+4NO_2+O_2$

When lead nitrate is heated, it decomposes into its oxide, a brown gas and also a colorless gas. The brown gas formed is nitrogen dioxide.

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