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A metal ion M+2 loses 3 electrons, its oxidation number will become________________

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Important Questions on Redox Reactions

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In the course of a chemical reaction, an oxidant __________________________________.
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An element that never has a positive oxidation number in any of its compounds is___________________.
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The reaction, 3ClO-(aq)ClO3-(aq)+2Cl-(aq), is an example of a/an
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A reducing agent is a substance:
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In the reaction 2Ag+2H2SO4Ag2SO4+2H2O+SO2, sulphuric acid acts as :
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The number of moles of KMnO4 that will be needed to react with one mole of sulphite ions in acidic solution is
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Which of the following reactions is not a disproportionation reaction?
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The number of moles of KMnO4 that will be needed to react completely with one mole of ferrous oxalate in an acidic solution is: