Question 3:Depict the galvanic cell in which the reaction Zn(s) + 2Ag+(aq) → Zn2+(aq) + 2Ag(s) takes place. Further show: (i) Which of the electrode is negatively charged? (ii) The carriers of the current in the cell. (iii) Individual reaction at each electrode. Chapter 3: Electrochemistry Chemistry Class 12 solutions are developed for assisting understudies with working on their score and increase knowledge of the subjects. Depict the galvanic cell in which the reaction Zn(s) + 2Ag+(aq) ? Zn2+(aq) + 2Ag(s) takes place. Further show: (i) Which of the electrode is negatively charged? (ii) The carriers of the current in the cell. (iii) Individual reaction at each electrode. is solved by our expert teachers. You can get ncert solutions and notes for class 12 chapter 3 absolutely free. NCERT Solutions for class 12 Chemistry Chapter 3: Electrochemistry is very essencial for getting good marks in CBSE Board examinations
Answer:The galvanic cell in which the given reaction takes place is depicted as:
(i) Zn electrode act ads 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)
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