Question

Write a balance chemical equations to represent decomposition of of lead nitrate on heating .what are brown fume due to

Answer 1

Experimentally, it is observed that when you heat lead nitrate crystals in a dry test tube then, it decomposes to form lead oxide and Nitrogen dioxide gas and oxygen.
2Pb(NO3)2 ------heat-------› 2PbO + 4NO2 + O2

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Answer 2

Answer:

The brown fumes are due to the formation of brown gas nitrogen dioxide (no2) . the chemical name of white salt is lead nitrate pb (no³)2 the salt on heating produces brown fumes . ... this salt can be nitrate but if the residue left after heating is yellow in colour it definitely implies that the salt is lead nitrate

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