Question

Give an example of a double displacement reaction other than the one given in the following Activity.
•Take about 3 mL of sodium sulphate
solution in a test tube.
• In another test tube, take about 3 mL of
barium chloride solution.
• Mix the two solutions given in the following fig.
• What do you observe?

Answer 1

2KBr (aq) + BaI₂ (aq) → 2KI (aq) + BaBr₂ (aq)