Question

Q.7 A colourless lead salt , when heated produces yellow residue and brown
fumes:
b) Name with chemical formula the gas evolved.
c) Write the chemical equation involved.​

Answer 1

Answer:

Pb(NO₃)₂, lead nitrate

Explanation:

b) NO₂ is the gas evolved ( nitrogen dioxide fumes)

c) 2Pb(NO₃)₂ → 4NO₂ + 2PbO + O₂