Question

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Answer 1

Answer:

b) Iron is not deposited over a copper plate when a copper plate is dipped in iron sulphate solution because copper is less reactive than iron. Explanation: Due to the less reactive of copper than iron, there is no displacement or reaction occurs in the solution.

a) (a) Chemical reaction of iron nail with copper sulphate solution in water. Iron displaces copper ions from an aqueous solution of copper sulphate. It is a single displacement reaction of one metal by another metal. ... Fe (s) + Cu2 + (aq) —→ Fe2+ (aq) + Cu (s).

Answer 2

Answer:

(a) When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green.

(b)

Iron is not deposited over a copper plate when a copper plate is dipped in iron sulphate solution because copper is less reactive than iron. Explanation: Due to the less reactive of copper than iron, there is no displacement or reaction occurs in the solution.

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