In a galvanic (voltaic) electrochemical cell, at which electrode does oxidation occur?
Answer and explanation
Correct answer: C. Anode
- Step 1: Remember the standard electrochemical mnemonic 'An Ox and Red Cat': Anode = Oxidation, Reduction = Cathode.
- Step 2: Oxidation (loss of electrons) always occurs at the anode in both galvanic and electrolytic cells.
Answer
Anode.
Why not the others: 'Cathode' is the electrode where reduction (gain of electrons) takes place; 'Salt bridge' maintains electrical neutrality via ion migration; 'Voltmeter' measures cell potential.
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