Question

19. Take a small amount of water in a beaker and dissolve a few crystals of copper sulphate in it. Dipa
magnesium ribbon in this solution.
(1) List two observations related to the reaction caused by the dipping of magnesium ribbon in the solution of
copper sulphate. Also, state the reason for each of these observations.
(2) Represent the above observation in the form of balanced chemical equation.
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Answer 1

Answer:

Answer

Mg+CuSO4​⟶MgSO4​+Cu

           (Blue)

By addingMagnesium to CuSO4​, it turns to MgSO4​.

Because Mg is above Cu in reactivity series. So Mg displaces Cu in CuSO4​. As reaction processes, CuSO4​ content decreases.

∴ Color blue fades.

Explanation:

Answer 2

HERE IS YOUR ANSWER

ANSWER :

1) Two observations are :-

1)Blue colour of the solution fades and become colourless after some time.

2) The magnese ribbon gets coated with a brown layer.

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Balanced chemical equation :-

Mg(s) + CuSO4 = MgSO4 + Cu(s)

Magnesium copper sulphate

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