Oxidation number of particular element can be directly or indirectly inferred from its:
Correct answer: A. Group number
- A. Group number
- B. Atomic size
- C. Atomic mass
- D. Physical state
Explanation
Generally, groups 1, 2, 3, and 4 have oxidation numbers of +1, +2, +3, and +/-4. And groups 7, 6, and 5 have oxidation numbers -1, -2, and -3. This is the general trend among the groups; however, there are many exceptions to this.
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About Electrochemistry
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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