Chemistry · Chemical Reactions
What happens when an iron nail is placed in a blue copper(II) sulphate solution?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The solution remains blue and no deposition occurs
- 2Iron dissolves completely with the evolution of hydrogen gas
- 3The solution turns green and copper deposits on the nail✓
- 4No chemical reaction takes place
Correct answer
The solution turns green and copper deposits on the nail
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