Class 10 Chemistry simulations · Chemical Reactions and Equations

Redox: zinc in copper sulphate

Dip a metal strip into a solution of another metal’s ions and see whether a displacement (redox) reaction happens.

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What to notice

Zinc is oxidised (0 → +2) and copper ions are reduced (+2 → 0); the blue colour of Cu²⁺ fades and copper deposits on zinc.

Key relation

Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s)

Try this

Put a copper strip in zinc sulphate. Does anything happen?

What you can change

• Strip in solution: choose Zinc strip in CuSO₄, Copper strip in ZnSO₄, Copper wire in AgNO₃
• Time: 0 to 60 min

More in Chemical Reactions and Equations

• Finding oxidation numbers
• Types of chemical reactions

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