MediumChemistryHigh School (9–10)GeneralChemical Reactions › Types of Chemical ReactionsConceptualBoard Exam
Use the reactivity series to say whether a reaction takes place…
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
Use the reactivity series to say whether a reaction takes place. Write the equation where one does.
- aluminium in copper sulphate solution
- lead in zinc sulphate solution
- iron in silver nitrate solution
- copper in magnesium sulphate solution
Need a reminder? The key ideaShow
The reactivity series, most reactive first: K, Na, Ca, Mg, Al, Zn, Fe, Pb, (H), Cu, Hg, Ag, Au. A metal displaces another from its salt solution only if it is higher in the series.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Step 1. (a) Al is above Cu: .
Step 2. (b) Pb is below Zn: no reaction.
Step 3. (c) Fe is above Ag: .
Step 4. (d) Cu is below Mg: no reaction.
Answer: (a) and (c) react.
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