5
Question
State whether the statement is true or false.
"The image shows iron nail dipped in copper sulphate solution. Reaction takes place and some time later, iron sulphate is observed in the solution. In this reaction gold nail can also be used instead of iron."
State whether the statement is true or false.
"The image shows iron nail dipped in copper sulphate solution. Reaction takes place and some time later, iron sulphate is observed in the solution. In this reaction gold nail can also be used instead of iron."
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Solution
The correct option is B False
Iron is more reactive than copper. Hence it will displace copper from copper sulphate solution to form iron sulphate.
But gold lies below copper in the reactivity series and is less reactive than copper. So, gold will not be able to displace copper from copper sulphate solution. And no reaction will take place.
False
Iron is more reactive than copper. Hence it will displace copper from copper sulphate solution to form iron sulphate.
But gold lies below copper in the reactivity series and is less reactive than copper. So, gold will not be able to displace copper from copper sulphate solution. And no reaction will take place.
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