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Redox Reactions...

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  • Question 1
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    All combustion reactions, which make use of elemental dioxygen, as well as other reactions involving elements other than dioxygen are

  • Question 2
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    In the reaction HAsO2 + Sn2+ → As + Sn4+ + H2O, the oxidising agent is

  • Question 3
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    Acidified KMnO4 oxidises oxalic acid to CO2. What volume (in litres) of 10-4 M KMnO4 is required to completely oxidise 0.5 L of 10-2 M oxalic acid in acidic medium?

  • Question 4
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    Which of the following reactions involves both oxidation and reduction?

  • Question 5
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    The oxidation number of oxygen in most compounds is

  • Question 6
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    Equivalent mass of oxidising agent in the reaction SO2 + 2H2S → 3S + 2H2O is

  • Question 7
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    The highest value of oxidation number changes from 1 to 7

  • Question 8
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    For Zn2+/Zn = - 0.76 V, Cl2/Cl- = 1.36 V, H+/1/2H2 = 0 V and Fe3+/Fe2+ = 0.77 V, the increasing order of strengths as a reducing agent is

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