Chemistry · Chemical Reactions and Equations
When a clean iron nail is placed in a blue-coloured copper sulphate solution, what is primarily observed?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Iron dissolves into the solution and a brown layer of copper deposits on the nail.✓
- 2Copper dissolves into the solution and iron deposits on the nail.
- 3Rapid effervescence of hydrogen gas is evolved.
- 4No chemical reaction occurs and the solution remains unchanged.
Correct answer
Iron dissolves into the solution and a brown layer of copper deposits on the nail.
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