Question

put two to three iron nails in the blue solution of copper sulfate and after 15 to 20 minutes the color of the solution turns green
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Answer 1

Explanation:

Correct Question:-

Put two to three iron nails in the blue solution of copper sulfate and after 15 to 20 minutes the color of the solution turns green . What's the Reason??

Required Answer:-

Let us again browse the contents required by the Activity

Materials:-

1. Copper Sulphate
2. Iron Nail
3. Test Tube

Procedure:-

• Take a certain amount of aqueous solution of Copper sulphate in a Test tube.
• Put the Iron Nails in it.
• After some time, record the observation.

Observation:-

1. We can see blue color of Copper Sulphate changes to green color.
2. The color of Siover Iron nail turns red.

Required Equation:-

$\sf{CuSO_4+ Fe \longrightarrow FeSO_4+ Cu}$

• $\sf{CuSO_4}$ is Copper Sulphate
• $\sf{Fe}$ is Iron
• $\sf{FeSO_4}$ is Iron Sulphate
• $\sf{Cu}$ is Copper.

Displacement reaction takes place, hence the color changes.

Answer 2

Answer:

put two to three iron nails in the blue solution of copper sulphate and after 15 to 20 minutes the colour of the solution turms green