Chemistry
NULL
Medium
Question
Which is true about Zn-Cu galvanic cell ?
A
Reduction occurs at anode
B
K+ ion transfer from salt bridge to left beaker of ZnSO4
C
Oxidation occurs at cathode
D
Anode is negatively charged
✓ Official correct answer
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A
Reduction occurs at anode
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B
K+ ion transfer from salt bridge to left beaker of ZnSO4
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C
Oxidation occurs at cathode
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D
Anode is negatively charged
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Explanation
In a Zn-Cu galvanic cell, the anode (where zinc is oxidized) is negatively charged, since it releases electrons into the external circuit, unlike an electrolytic cell where the anode is positive.
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