18.
Answer the following questions, when one of the salts of lead, when heated, produces a
yellow residue and brown fumes.
(a) Name the lead salt
(b) Name the brown fumes
(c) Write a chemical equation of the reaction involved
(d) What type of reaction it is???
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The answers of the given questions are as follows-
- The name of the lead salt is lead nitrate or Pb(NO3)2.
- The brown fumes is actually the nitrogen dioxide gas.
- The chemical equation of this chemical reaction, will be
2Pb(NO3)2 ----> 2PbO + 4NO2 + O2
- In this chemical reaction, the single chemical compound lead nitrate is broken down into simpler and multiple chemical compounds, elements. So, this chemical reaction is obviously a decomposition chemical reaction.
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