a white precipitate on addition of AgNO3 and barium chloride solutions
a white precipiate when acidified with HCI, and then AgNO3 solution added
a white precipitate when acidified with dilute HNO3 and then AgNO3 solution added
a white precipitate when acidified with dilute H2SO4 and then barium nitrate solution added
a pungent smell of chlorine gas when dilute HCI and MnO2 are added
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The solution of a sample in a tube will be identified as a chloride if it gives a white precipitate when acidified with dilute HNO3 and then AgNO3 solution is added. This is because the test is a confirmatory test for chloride ions, and the white precipitate formed is silver chloride (AgCl). Chloride ions react with silver nitrate (AgNO3) to form a white precipitate of AgCl, which is insoluble in water and dilute nitric acid.
That makes C the correct answer ✔️
