Question

Q1C) CuSO. + Fe ---- FeSO4 + Cu
3

2. Why the blue colour copper sulphate solution fades in colour if iron nail is
dipped in it for long time?
3. Name the most reactive and least reactive element in the above reaction.​

Answer 1

Answer:

this is a displacement reaction that's why , low reactant get replaced by high reactant.

here,

Fe takes place of Cu & form iron sulfate & Copper metal is formed.

Explanation:

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Answer 2

Answer:

The reaction with less reactive metal is known as displacement reaction

eg - fe (iron) + cuSo4 (copper)(So4 means sulphate)

feSo4 + Cu

This above reaction shows displacement because iron is more reactive than copper