Question

Q.2 Rita placed a magnesium strip in blue copper sulphate solution in the test tube. Soon she observed that the blue coloured solution in the test tube has turned colourless and the magnesium strp has a coating of copper. A) Write the chelmical reaction for the following. [2] B) Among the four different types of chemical reactions​

Answer 1

Answer:

Correct option is

C

The blue colour of the copper sulfate solution gets lighter.

Mg+CuSO

4

⟶MgSO

4

+Cu

(Blue)

By addingMagnesium to CuSO

4

, it turns to MgSO

4

.

Because Mg is above Cu in reactivity series. So Mg displaces Cu in CuSO

4

. As reaction processes, CuSO

4

content decreases.

∴ Color blue fades.

Explanation:

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