Which of the following materials from Na, Hg, | vedclass

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(B) $Na$ (sodium) is a highly reactive alkali metal and $S$ (sulfur) is a non-metal that does not conduct electricity well and reacts with water or th

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$Hg, Pt,$ and graphite

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(B) $Na$ (sodium) is a highly reactive alkali metal and $S$ (sulfur) is a non-metal that does not conduct electricity well and reacts with water or the electrolyte. Therefore,they cannot be used as inert electrodes. $Hg$ (mercury),$Pt$ (platinum),and graphite are commonly used as electrodes in aqueous electrolytic cells because they are relatively inert or stable under electrolysis conditions.

Which of the following materials from $Na, Hg, S, Pt,$ and graphite are used as electrodes in electrolytic cells containing aqueous solutions?

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