Chemistry
State what is observed when excess of ammonia is passed through an aq. solution of lead nitrate.
Ammonia
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Answer
Lead hydroxide is precipitated, chalky white in colour and is insoluble in excess of ammonium hydroxide soln.
Pb(NO3)2 + 2NH4OH ⟶ 2NH4NO3 + Pb(OH)2 ↓
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