Question

Describe giving all practical details, how would you prepare:

lead sulphate from metallic lead.

Answer 1

Lead sulphate from metallic lead:
Metallic lead is converted to lead oxide by oxidation. Then lead sulphate is prepared from insoluble lead oxide, by first converting it into soluble lead nitrate. Then the lead nitrate solution is treated with sulphuric acid to obtain white ppt. of Lead sulphate.
Reaction:
PbO + 2HNO₃ ⟶ Pb(NO₃)₂ + H₂O