A colourless lead salt, 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.

Question

A colourless lead salt, 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.

Accepted Answer

Lead nitrate is the lead salt
Nitrogen dioxide is responsible for the brown fumes
2Pb(NO3)2&rarr; 2PbO + 4NO2

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