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.

Answer 1

A). The colourless salt of lead will be : Lead nitrate-Pb(NO3)2
B).On heating lead nitrate forms lead oxide and brown coloured nitrogen dioxide gas (NO2).

C).2Pb(NO3)2 → 2PbO + 4NO2 + O2

Answer 2

Answer:

the colourless lead prodeuces pbo2