Define oxidation and reduction in terms of oxidation number. fr

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 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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22. What is the oxidation number of C in C6H6?
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23.

Name a comound in which oxidation number of sulphur is +6?

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24. Calculate the oxidation number of P in Ba(H2PO2)2.
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25.

What is the Oxidation Number of Cr in Cr(CO)6?

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26.

What is the oxidation state of nitrogen in N3H?

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27.

What is the oxidation state of osmium (Os) in OsO4?

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28. What is the oxidation number of cobalt in K|Co(CO)4| ?
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29. Define oxidation and reduction in terms of oxidation number.


Oxidation is defined as the chemical change in which there occurs an increase in the oxidation number of an atom or atoms while reduction may be defined as a chemical change in which there occurs a decrease in the oxidation number of an atom or atoms.
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30.

Define redox reaction in terms of oxidation number.

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