An aqueous solution of a substance, on treatment with dilute HCl, gives a white precipitate soluble in hot water. When H2S is passed through the hot acidic solution, a black precipitate is formed. The

Question

An aqueous solution of a substance, on treatment with dilute HCl, gives a white precipitate soluble in hot water. When H2S is passed through the hot acidic solution, a black precipitate is formed. The substance is:

Prashant Kotian · Accepted Answer

Correct answer: D. PbCl2 is a white ppt soluble in hot water. Pb^2+ with H2S forms black PbS ppt.

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