Q.

When an external opposite potential greater than 1.1 V is applied to the Galvanic cell

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a

electrons flow from copper electrode to zinc electrode

b

zinc gets deposited at the zinc electrode

c

current flows from zinc to copper electrode

d

copper gets deposited at the copper electrode

answer is A.

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Detailed Solution

(a,b,c) When Eext >1.1V (in Daniellcell) (i) electrons flow from Cu to Zn and current flows in opposite direction.Zn is deposited at the zinc electrode and Cu dissolves from Cu electrode.
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