What is the oxidation number of cobalt in K|Co(CO)4| ? from Che
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    Redox Reactions

    Multiple Choice QuestionsShort Answer Type

    21. Suggest a list of the substances where nitrogen can exhibit oxidation states from -3 to +5?
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    28. What is the oxidation number of cobalt in K|Co(CO)4| ?

    Let x be the oxidation number of Co.
    Oxidation number of K = 1
    Oxidation number of CO=0
    Therefore,
    The oxidation state of cobalt in K|Co(CO)4| is,
    1 +x + 4(0) =0
     
     x = -1
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    29. Define oxidation and reduction in terms of oxidation number.
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    30.

    Define redox reaction in terms of oxidation number.

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