4. CoCl2 + Al AlCl3 + Co
+ +
AlCl3 + Co No change
+ No change
5. Activity Series
Most
? Reactive
Al
Cl Co Least
Reactive
CoCl2 + Al AlCl3 + Co
6. Single Replacement Lab
If it reacts
3 SrI2 + 2 Al 2AlI3 + 3Sr
Lower Higher
Activity Activity
Doesn’t react
SrI2 + Al No Rxn
Higher Lower
Activity Activity
7. Single Replacement Lab
If it reacts
3 SrI2 + 2 Al 2AlI3 + 3Sr
Lower Higher
Activity Activity
Doesn’t react
SrI2 + Al No Rxn
Higher Lower
Activity Activity