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CBSE Class 11-science Answered

Depict the galvanic cell in which the reaction- Zn(s)+2Ag+(aq)gives Zn++(aq)+2Ag(s)takes place, further show (1)which of the electrode is -vely charfe. (2)The carriers of the current in the cell and (30 Individual reaction at each electrode
Asked by Abhishika John | 19 Feb, 2014, 03:15: PM
answered-by-expert Expert Answer

The galvanic cell in which the given reaction takes place is depicted as:

(i) Zn electrode act as anode in galvanic cell so it will be negatively charged.

 (ii) Electrons move anode to cathode in the external circuit, and the direction of flow of current is always opposite to the flow of electron so that current will flow from silver (cathode) to zinc (anode).

(iii)

At anode

Zn(s) →  Zn2+(aq) + 2e–

At cathode

Ag+ + e –  →  Ag(s)

Answered by | 21 Feb, 2014, 11:25: AM

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