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Distinguishing reagent between silver and lead salts

(a) $H_2S$ gas
(b) dil HCl solution
(c) $NH_4Cl$ (solid) + $NH_4OH$ solution
(d) $NH_4Cl$ (solid) + $(NH_4)_2CO_3$ solution
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Answer: dil HCl solution
Both Pb and Hg form white ppt. of their chlorides. But $PbCl_2$ is soluble in hot water while $Hg_2Cl_2$ does not dissolve in hot water.
answered Feb 1, 2014 by mosymeow_1
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