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What is observed after about 1 hour of adding the strips of copper and aluminium separately to ferrous sulphate solution filled in two beakers? Name the reaction if any change in colour is noticed. Also, write chemical equation for the reaction.
Beaker A: On adding a copper strip in ferrous sulphate solution, no change is observed after 1 hour as copper is less reactive than iron and unable to displace iron from its salt solution.
$FeSO_4+ Cu \rightarrow NO\ REACTION$
Beaker B: On adding aluminium strip in ferrous sulphate solution, aluminium will displace iron from its solution as it is more reactive than iron.
$3FeSO_4+ 2Al \rightarrow Al_2(SO_4)_3+ 3Fe$
Hence, the green colour of the solution changes to colourless.
The name of this reaction is displacement reaction.
Updated on: 10-Oct-2022
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