CHARLES D. WINTERS / SCIENCE PHOTO LIBRARY CHARLES D. WINTERS / SCIENCE PHOTO LIBRARY
Displacement reaction. Bromine gas (yellow) is displaced from a solution of potassium bromide through which chlorine is being bubbled. Chlorine is more reactive than bromine and therefore displaces its ions from the solution: Cl2 + 2KBr ----> 2KCL + Br2.
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