Identify the incorrect statement from the options below for the above cell:

Option 1 - If Eext < 1.1 V, Zn dissolves at anode and Cu deposits at cathode

Option 2 - If Eext = 1.1 V, no flow of e¯or current occurs

Option 3 - If Eext > 1.1 V, Zn dissolves at Zn electrode and Cu deposits at Cu electrode

Option 4 - If Eext > 1.1 V, e¯flows from Cu to Zn

3 Views|Posted 5 months ago

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5 months ago

Correct Option - 3

Detailed Solution:

Eext > 1.1 V, cell reaction is reversed
i.e. Cu → Cu²? anode
Zn²? + 2e? → Zn cathode

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