Question

A soluble chloride X with liquid Y on heating to give gas Z which turns moist blue litmus paper red

1.identify Y and Z
2. give chemical test that can be used to confirm X is a chloride

Answer 1

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.

Step-by-step explanation: