Question

(iv) What will be observed if Mg ribbon is placed in CuSO,?
(a) Blue colour change to colourless
(b) Brown colour change to blue
(c) Reddish brown colour disappear
(d) No change​

Answer 1

In this reaction Magnesium displaces Copper from copper sulphate solution. The blue colour of copper sulphate solution fades due to the formation of colourless solution of magnesium sulphate. That brown deposit of copper metal is formed on the magnesium piece

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Answer 2

Answer:

Brown colour change into bule

Explanation:

your asking is wrong becacuse Cuso4

Copper sulphate is miss on your questions