35. State the ascending order of reactivity for Cu. Ag and Fa metals based on the reaction given below:
(i) Fe(s) + CuSO4(aq) → FeSO4 (aq) + Cu(s)
(ii) Cu(s) + FeSO4(04) - Noreaction
(¡¡¡) Cu(s) + 2AgNO3(aq) + Cu(NO3)2(aq) + 2 Ag(s)
(iv) 2 Ag(s) +- Cu(NO3)2 --No reaction
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Answer:
Fe< Cu<Ag
Explanation:
Since , according to reactivity series iron or ferrous(Fe) is placed above copper( Cu) and Ag or Silver is a noble metal which is almost remain unreactive with most of Elements like O2, H2O or acids.
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