Question

which of the metal can displace the other two metals from their salt solutions give reason zinc, iron, copper

Answer 1

Zinc can displace other two because zinc is more reactive than the others

Answer 2

Answer:

Zinc displaces both Fe and Cu from salt solutions, Fe displace Cu only, Cu cannot displace any of these.

Explanation:

• Zinc is an active metal and lies in the higher place in the reactivity table.
• Zinc is a reactive metal which displace other metals from its metal salts.

The hierarchy are listed as below.  

1. Potassium
2. Sodium
3. Calcium
4. Magnesium
5. Aluminium
6. Zinc  
7. Lead

So, zinc displaces all the other two metals.