Q.
When applied external opposite potential in case of Daniell cell is less than 1.1 V, then
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a
the cell behaves like an electrolytic cell
b
electrons flow from zinc rod to copper rod
c
zinc deposites at the zinc electrode and copper dissolves from copper rod
d
Current flow from zinc rod to copper rod
answer is B.
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Detailed Solution
When Eext<1.1 V(i) Electrons flow from zinc electrode to copper electrode,hence, current flows from copper to zinc electrode.(ii) Zinc dissolves at anode and copper deposites at cathode.
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