Q67Multiple choice
Consider Fig. 3.2 and answer the questions
This question refers to a figure in the original PDF.
- (i)to (vi) given below. (i) Redraw the diagram to show the direction of electron flow.
- (ii)Is silver plate the anode or cathode?
- (iii)What will happen if salt bridge is removed?
- (iv)When will the cell stop functioning? Fig. 3.3 (v) How will concentration of Zn2+ ions and Ag+ ions be affected when the cell functions? (vi) How will the concentration of Zn2+ ions and Ag+ ions be affected after the cell becomes ‘dead’?
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Hint : (i) Electrons move from Zn to Ag. (ii) Ag is the cathode. (iii) Cell will stop functioning. (iv) When E Cell = 0. (v) Concentration of Zn2+ ions will increase and concentration of Ag+ ions will decrease (vi) When E cell = 0 equilibrium is reached and concentration of 2+ Zn ions and Ag + ions will not change.