Question

CHECK YOUR PROGRESS
1. What happens when zinc is added to an aqueous solution of copper(II) sulphate pentahydrate? What type of reaction is it?
2. What is activity series? What are the uses of activity series?
3. What happens when an aqueous solution of potassium iodide is added to aqueous solution of mercury(||)chloride?
What type of reaction is it?
4. Define irreversible reaction. Give an example of irreversible reaction.
5. Why is it that zinc is more reactive than iron and copper?
​

Answer 1

Answer:2.

Explanation:The arrangement of metals in vertical column in order of their decreasing reactivity from top to bottom is called activity series or reactivity series.

With the help of activity series we get to know that which metal is more reactivity and which is less reactive.