Chlorine (Cl2) is bubbled into potassium bromide solution. What is observed?
Answer and explanation
Correct answer: B. The solution turns orange-brown
- Step 1: Chlorine displaces bromine from the bromide, and bromine gives an orange-brown colour. Answer: The solution turns orange-brown. Why not the others: The solution turns purple: Purple would be iodine. No change takes place: Chlorine is more reactive than bromine and displaces it. A white precipitate forms: Potassium chloride is soluble.
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