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For the cell at 298 K (take ), which statement is correct?

  1. AEMF ; the left electrode is the anode
  2. BEMF ; the left electrode is the anode
  3. CEMF ; the right electrode is the anode
  4. DEMF because both electrodes are copper

Answer: A

In a concentration cell the dilute side is the anode (metal dissolves there) and the concentrated side is the cathode. . The EMF is not zero because the two half cells have different .
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