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When a zinc rod is kept in a copper nitrate solution what happens?
- a)zinc is deposited on copper
- b)copper is deposited in the beaker
- c)zinc is deposited in the beaker
- d)copper is deposited on zinc
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
When a zinc rod is kept in a copper nitrate solution what happens?a)zi...
When zinc is placed in copper nitrate solution the intensity of the blue colour is produced and copper iron is deposited on zinc.
- This is a Redox reaction between zinc and an aqueous solution of copper nitrate occurring in a beaker.
Most Upvoted Answer
When a zinc rod is kept in a copper nitrate solution what happens?a)zi...
Explanation:
Introduction:
When a zinc rod is kept in a copper nitrate solution, a redox reaction occurs between zinc and copper ions present in the solution.
Redox Reaction:
- Zinc metal (Zn) is more reactive than copper (Cu), so it displaces copper ions in the solution.
- The zinc rod undergoes oxidation, losing electrons to form zinc ions (Zn2+).
- Copper ions (Cu2+) in the solution gain electrons from the zinc rod and get reduced to copper metal (Cu).
- This reaction results in the deposition of copper metal on the zinc rod.
Chemical Equation:
Zn(s) + Cu(NO3)2(aq) -> Zn(NO3)2(aq) + Cu(s)
Result:
- As a result of the redox reaction, a layer of copper metal is deposited on the surface of the zinc rod.
- The color of the solution may change from blue (copper nitrate solution) to colorless (zinc nitrate solution).
- The zinc rod may appear to be coated with a layer of copper metal.
Conclusion:
In conclusion, when a zinc rod is kept in a copper nitrate solution, copper metal is deposited on the zinc rod due to a redox reaction between zinc and copper ions.
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