Question

The question refer to the following salt solutions listed (1) to (6).

Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by barium chloride solution?

• A. Solutions (1) and (4)
• B. Solutions (2) and (3)
• C. Solutions (5) and (2)
• D. Solutions (4) and (6)

Answer 1

The correct option is C

Solutions (5) and (2)

The question given is a test for all soluble sulphates. Solutions (2) and (5), because both contain sulphate ion SO₄^2-