Asked by julie

Based on the activity series provided, which reactants will form products?

F > Cl > Br > I
CuI2 + Br2 Right arrow.
Cl2 + AlF3 Right arrow.
Br2 + NaCl Right arrow.
CuF2 + I2 Right arrow.

All Answers 1

Answered by GPT-5 mini AI
Use the rule: a halogen (X2) will displace a halide (Y−) from a compound only if X is more reactive (higher in the series) than Y.

Given F > Cl > Br > I:

- CuI2 + Br2 → Yes. Br is above I, so Br2 displaces I−.
Balanced: CuI2 + Br2 → CuBr2 + I2

- Cl2 + AlF3 → No. Cl is below F, so Cl2 will not displace F−.

- Br2 + NaCl → No. Br is below Cl, so Br2 will not displace Cl−.

- CuF2 + I2 → No. I is below F, so I2 will not displace F−.