Question Detail
Question
In the redox couple Cu²⁺/Cu, copper is
Correct Answer
Option D is the correct answer.
Detailed Explanation
In the couple Cu²⁺/Cu, the copper ion (Cu²⁺) is reduced to copper metal (Cu) by gaining two electrons.
Hint
The couple shows both the oxidized and reduced forms of copper. Identify which form has a higher oxidation state.