All of the following statements about (oxidation) state are correct EXCEPT:
Correct answer: D. Xenon (Xe) can show a maximum oxidation state of +6 in its compounds
- A. It is the apparent charge on an atom in a compound
- B. Its value is either zero, positive, or negative
- C. It can be variable
- D. Xenon (Xe) can show a maximum oxidation state of +6 in its compounds
Explanation
The correct answer is Option D: Xenon (Xe) can show a maximum oxidation state of +6 in its compounds. This statement is incorrect because xenon can actually achieve a higher oxidation state, such as +8 in compounds like XeO4. The other options correctly describe the properties of oxidation states: they represent the apparent charge of an atom (Option A), can be positive, negative, or zero (Option B), and can vary depending on the chemical context (Option C).
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Electrochemistry describes electron transfer through oxidation and reduction, identifies oxidizing and reducing agents, and applies oxidation numbers to balance redox equations. It also covers electrode potential and the standard hydrogen electrode, which provides the reference for comparing the reduction tendencies of other electrodes.
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