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Magnesium is used in high resistivity electrolytes due to its ___________

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Magnesium is used in high resistivity electrolytes due to its ___________

(a) Neutral potential

(b) Most positive potential

(c) Most negative potential

(d) Zero potential

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The question is from Protective Measures Against Corrosion topic in division Corrosion, Electrolysis, Fuel Cells and Batteries of Engineering Chemistry II

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Correct choice is (c) Most negative potential

To explain I would say: Magnesium is used in high resistivity electrolytes due to its most negative potential. Magnesium has the highest negative potential according to the electrochemical series.

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