alleryWhat chemical change coats the cathode during nickel-sulfate plating?
ANi2+(aq) + 2e− → Ni(s)
BNi(s) → Ni2+(aq) + 2e−
CCu2+(aq) + 2e− → Cu(s)
DAg+(aq) + e− → Ag(s)
Answer & Solution
Correct answer: A. Ni2+(aq) + 2e− → Ni(s)
Nickel ions gain two electrons and deposit as nickel at the cathode.
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