Which One of the Following Pairs of Substances Could Be

question 12

Multiple Choice

Which one of the following pairs of substances could be used to construct a single redox electrode (i.e., they have an element in common, but in different oxidation states) ?

• A) HCl and Cl¯
• B) H⁺ and OH¯
• C) H₂O and H⁺
• D) Fe³⁺ and Fe₂O₃
• E) MnO₂ and Mn²⁺

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In logic and argumentation, pertaining to a reasoning error where the conclusion is assumed in one of the premises; also known as circular reasoning.

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