An electrochemical cell is set up with a Cu(s)|Cu(NO 3 ) 2 (aq) electrode (E o r

Question

An electrochemical cell is set up with a Cu(s)|Cu(NO3)2(aq) electrode (Eored = +0.34 V) and an Ag(s)|Ag(NO3)(aq) electrode (Eored = +0.80 V). Select ALL the FALSE statement(s) concerning the operation of this cell:


i) The concentration [Cu2+] decreases in the Cu half-cell.

ii) The Ag electrode gains mass during operation of teh cell.

iii) Cu metal is less easily oxidized than Ag metal.

iv) The mass of the Cu electrode decreases during operation of the cell.

v) Silver ions migrate from the Ag half-cell to the Cu half-cell through the salt bridge.

Explanation / Answer

1 is false

2 is true

3 is false.

4. is true

5 is false

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