Oxidation Number can be?

Correct answer: D. All of these options are correct

  • A. Positive
  • B. Zero
  • C. Negative
  • D. All of these options are correct

Explanation

Oxidation numbers represent the number of electrons lost by an element or a compound. Hence, it can be any number from 0 onwards. For example, in NaCl, Na has an oxidation number of +1. O2 has an oxidation number of 0.

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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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