A correct electrochemical series can be obtained from Na, Ca, Al, Mg, Zn, Fe, Pb,…

Chemistry JAMB 2018

A correct electrochemical series can be obtained from Na, Ca, Al, Mg, Zn, Fe, Pb, H, Cu, Hg, Ag, Au by interchanging

  • Al and Mg checkmark
  • Zn and Fe
  • Zn and Pb
  • Pb and H

The correct answer is: A

Explanation

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