What is the advantage of using Hg as a cathode
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The advantage to using Hg as a cathode is that the discharge potential of Na+ ions is less than that of H+ ions. Na+ ions get discharged on mercury and the sodium so deposited combines with mercury to form sodium amalgam.
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The advantage to using Hg as a cathode is that the discharge potential of Na+ ions is less than that of H+ ions. Na+ ions get discharged on mercury and the sodium so deposited combines with mercury to form sodium amalgam.
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