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Question
A colourless lead salt, when heated, produces a yellow residue and brown fumes.
- Name the lead salt.
- Name the brown fumes.
- Write a chemical equation of the reaction involved.
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Solution
- Lead (II) nitrate (PbNO3)2
- Nitrogen dioxide (NO2)
- \[\ce{2Pb(NO3)2_{(s)} ->[Heat] 2PbO_{(s)} + 4NO2_{(g)} + O2_{(g)}}\]
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