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Niels Van Der Tak · Answer 1 · 2023-07-09T16:12:00+0000

Answer:(a)(i) Y is Conc. H2SO4, Z is HCl(g) or hydrogen chloride

(ii) Acidify a solution of X with dilute HNO3 and add AgNO3(aq). White ppt. soluble in aqueous ammonia confirms the presence of chloride. E.g. add solution of X to Pb2+ solution to get a white ppt. soluble when hot, reappearing on cooing.

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