16 Questions
What type of reaction takes place when an iron nail is dipped in a solution of copper sulphate?
Displacement reaction
What is formed on the surface of the iron nail when it is dipped in copper sulphate solution?
A brown coating of copper
What change occurs in the color of the copper sulphate solution when an iron nail is dipped in it?
The color changes from light blue to light green
What does the reaction between iron and copper sulphate solution demonstrate about the reactivity of iron and copper?
Iron is more reactive than copper
What type of reaction is represented by the reaction between iron and copper sulphate solution?
Displacement reaction
True or False: The color of copper sulphate solution changes when an iron nail is dipped in it because iron displaces copper from the solution forming iron sulphate.
True
What chemical reaction is exemplified by the iron nail dipped in copper sulphate solution?
Displacement reaction
What color change is observed in the iron nail after being dipped in copper sulphate for about 30 minutes?
Brownish
What color change is observed in the copper sulphate solution after the iron nail is dipped in it for about 30 minutes?
Faded
What is formed in the solution after the iron nail displaces the copper in the copper sulphate solution?
Iron sulfate
When H2S gas is passed through the blue solution of CuSO4, what black precipitate is obtained?
Copper sulphide
What remains in the solution after the black precipitate of copper sulphide is obtained?
Sulphuric acid
What type of reaction occurs when an iron nail is dipped in a copper sulfate solution?
Displacement reaction
What happens to the iron nail in the reaction with copper sulfate?
Iron displaces the copper
What product is formed when iron displaces copper in the copper sulfate solution?
Copper
Write the balanced chemical equation for the reaction between iron and copper sulfate.
Fe(s) + CuSO4 (aq) -> FeSO4 (aq) + Cu(s)
Learn about the chemical reaction that takes place when an iron nail is dipped in a solution of copper sulphate, resulting in the formation of a brown coating of copper on the iron surface.
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