Question

Why do the colour and solution of copper sulphate change when we take a solution of copper sulphate in a breaker n put an iron nail in it
Answer-

As the reactivity of iron is more than is more than copper therefore iron displaces copper from its solution forming iron sulphate and changing the colour of the pale green from blue with brownish red deposit over iron nail
HERE DISPLACEMENT REACTION TAKES PLACE

Answer 1

Answer:

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Answer 2

fe+Cuso4 ------ feso4+Cu

Explanation:

This is because iron(fe) is more reactive than copper (cu) and when tow or more metal react with each other more reactive metal displace less reactive metal. This type of reaction is an example of displacement reaction.