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  Inorganic Chemistry

LEAD CHLORIDE, PBCL2 :

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It can be prepared by treating a salt of lead with dil. HCl

Pb(NO3)2 + 2HCl ——— PbCl2 + 2 HNO3

It can also be obtained by dissolving lead (II) oxide to lead (II) carbonate in HCl. It is soluble in hot water but precipitate out in cold water. it is soluble in conc. HCl due to the formation of a complex, tetrachloroplumbate (II) ion.

PbCl2 + 2 HCl ——> H3 [PbCl4]

It also reacts with hot lime water to give Pb(OH)Cl which is used as white pigment.

PbCl2 + Ca(OH)2 ——> Pb (OH)Cl + CaO + HCl

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