For the electrochemical cell, if and .

Which of the following is correct?

Question

For the electrochemical cell, if  and .

Which of the following is correct?

Canvas Classes · Accepted Answer

Strategy:
 For an electrochemical cell to be spontaneous, the standard cell potential () must be positive. This is achieved when the half-cell with the higher reduction potential acts as the cathode.

Step 1: Compare reduction potentials
- 
-

Step 2: Determine cathode and anode for spontaneity
Cathode (Higher ) = 
Anode (Lower ) =

Step 3: Write the spontaneous reaction
Reduction at Cathode: 
Oxidation at Anode: 
Net Spontaneous Reaction:

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