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AQA A-level Chemistry Oxidation and Reduction Questions and Answers

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AQA A-level Chemistry Oxidation and Reduction Questions and Answers Oxidation increase in charge, loss of electrons Oxidising agent electron acceptor is reduced, oxidises another chemical Reduction reduction of charge, gain of electrons Reducing agent electron donor is oxidised, reduces another chemical Oxidation states number describing how many electrons an atom in a chemical bond has lost or gained compared to its elements Oxidation state of uncombined elements 0 Oxidation state of Group 1 metals +1 Oxidation state of Group 2 +2 Oxidation state of hydrogen +1 -1 in metal hydrides Oxidation state of oxygen -2 -1 in peroxides Oxidation state of fluorine -1 Oxidation state of chlorine -1 +1 in with (F) or (O)

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AQA A-level Chemistry Oxidation and
Reduction Questions and Answers
Oxidation – answer increase in charge, loss of electrons

Oxidising agent – answer electron acceptor is reduced, oxidises another chemical

Reduction – answer reduction of charge, gain of electrons

Reducing agent – answer electron donor is oxidised, reduces another chemical

Oxidation states – answer number describing how many electrons an atom in a
chemical bond has lost or gained compared to its elements

Oxidation state of uncombined elements - answer0

Oxidation state of Group 1 metals - answer+1

Oxidation state of Group 2 - answer+2

Oxidation state of hydrogen - answer+1
-1 in metal hydrides

Oxidation state of oxygen - answer-2
-1 in peroxides

Oxidation state of fluorine - answer-1

Oxidation state of chlorine - answer-1
+1 in with (F) or (O)

Half equations - answerequations describing either the oxidation or reduction processes
of a redox reaction

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  • oxid
  • aqa a level chemistry oxidation and reduction ques
  • oxidation increase in charge loss of electrons
  • oxidising agent electron acceptor is reduced oxid
  • reduction reduction of charge gain of electrons

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