# Write scientific reason. Adding zinc particles to a solution of copper sulphate makes the blue solution colorless. - Science and Technology 1

Explain

Write scientific reason.

Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.

#### Solution

1. Zinc is more reactive than copper.
2. Therefore, zinc displaces copper from copper sulphate solution.
$\ce{\underset{\text{sulphate}}{\underset{\text{Copper}}{CuSO_{4(aq)}}} + \underset{\text{Zinc}}{Zn_{(s)}} -> \underset{\text{sulphate}}{\underset{\text{Zinc}}{ZnSO_{4(aq)}}} + \underset{\text{Copper}}{Cu_{(s)}}}$
3. The blue colour of copper sulphate solution fades due to the formation of colourless zinc sulphate.
Hence, adding zinc particles to a solution of copper sulphate makes the blue solution colorless.
Concept: Chemical Equation
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#### APPEARS IN

SCERT Maharashtra Question Bank 10th Standard SSC Science and Technology 1 Maharashtra State Board 2021
Chapter 3 Chemical reactions and equations
Write scientific reasons | Q 5
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