1.

Give reasons :Iron displaces copper from a solution of a copper salt. The reaction is deemed as a redox reaction.

Answer»

Fe (s) + CuSO4 (aq) → FeSO4 (aq) + Cu (s) 

Ionic equation for the reaction can be written as ;

Fe (s) + Cu2+ (aq) → Fe2+ (aq) + Cu (s)

In this reaction iron loses two electron and is oxidized to Fe2+ .

Fe (s) → Fe2+ (aq) (-2e ) (Oxidation)

On the other hand Cu2+ gains two electrons and is reduced to copper.

Cu2+ (aq) → 2e → Cu (s) (Reduction)

Thus the given reaction is a redox reaction.



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