Chemistry
(a) Among Zn and Cu, which would occur more readily in nature as metal and which as ion?
(b) Why cannot we store AgNO3 solution in copper vessels?
(c) Out of Cu and Ag, which is more active?
Electrolysis
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Answer
(a) Zn has more tendency to release electrons, thus Zn occurs more readily as ion while Cu as metal.
(b) As copper lies above silver in electrochemical series, hence, Cu is more reactive than silver and it displaces Ag from silver nitrate.
Cu + AgNO3 ⟶ Cu(NO3)2 + 2Ag
(c) Cu is more reactive than Ag hence, Cu lies above Ag in the electrochemical series.
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