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Q.

Which of the following statements is true for the electrochemical Daniel cell ?

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a

Cations move towards copper electrode

b

Cations move toward zinc electrode

c

Current flows from zinc electrode to copper electrode

d

Electrons flow from copper electrode to zinc electrode

answer is C.

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Detailed Solution

In Daniel cell, Cu acts as a cathode and Zn acts as an anode. The reaction taking place in Daniel cell are : 

Anode:Zn(s)Zn(aq)2++ 2-(oxidation) Cathode :Cu(aq)2++2e-Cu(s)(reduction)
Cations (Cu2+) move towards cathode in order to get reduced and accumulated as Cu.

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