Question

When zinc granules are put in copper sulphate solution and left undisturbed
for sometime, we find that the blue colour of the solution disappears and a powdery red mass is deposited at the bottom of the beaker.
1. Write the equation
involved.
2. What type of reaction is this? Explain the observations.

Answer 1

Answer:

1. Zn + CuSO4 = ZnSO4 + Cu

2. Displacement reaction.

Explanation:

2. Being more reactive than copper, Zince displaces Copper from its compound to form Zinc Sulphate hence disappearing the blue color of the solution.

The red mass deposited at the bottom of beaker is nothing but the displaced Copper from the reaction.

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Answer 2

Answer:

1) ZN+CuSO4=ZnSO4+Cu.

2) Displacement reaction.

Explanation:

3) Being more reactive than copper, Zince displaces Copper from its compound to form Zinc Sulphate hence disappearing the blue color of the solution.

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