NEET Chemistry · Medium

Some Basic Concepts of Chemistry: Oxidation number MCQ

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Oxidation numberMediumQuestion 20112

Question

Oxidation state of carbon in CO2CO_2 is:

  1. A
    +4
    Correct
  2. B
    +2
  3. C
    0
  4. D
    -4

Correct answer

+4

Explanation

Two oxygens contribute -4, so carbon is +4.