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an iron knife kept dipped in a blue copper sulphate solutions turns the blue solutions light green why
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an iron knife kept dipped in a blue copper sulphate solutions turns th...
Because, due to the Displacement Reaction, Copper in the Copper Sulphate solution collects over Iron. So, the colour of Copper Sulphate solution fades. The blue colour of the Copper Sulphate solution changes into light green as the copper present in the Copper Sulphate solution collects over Iron.
Community Answer
an iron knife kept dipped in a blue copper sulphate solutions turns th...
When an iron knife is dipped in a blue copper sulphate solution, a reaction occurs between the iron and copper sulphate. The iron reacts with the copper ions in the solution, causing a displacement reaction. The iron displaces the copper from the copper sulphate solution and forms iron sulphate, while copper is deposited on the surface of the iron knife.

The blue color of the copper sulphate solution is due to the presence of copper ions. When the copper ions are displaced by iron, the blue color of the solution fades away because there are fewer copper ions in the solution. Instead, the presence of copper metal on the iron knife gives a light green color.

In summary, the reaction between iron and copper sulphate results in the displacement of copper from the solution, causing the blue color to fade and the formation of iron sulphate. The copper deposited on the iron knife gives a light green color.
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an iron knife kept dipped in a blue copper sulphate solutions turns the blue solutions light green why Related: NCERT Solutions - Chemical Reactions & Equations?
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