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In which of the following compounds, sulphur exhibits both positive and negative oxidation states?

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Important Questions on Redox Reactions

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The oxidation number of osmium is +8 in its oxide. What is the correct formula of the oxide?
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In which of the following compounds, oxygen exhibits fractional oxidation state?
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In the reaction NH42Cr2O7N2+4H2O+Cr2O3,

What is the number of electrons lost by each N atom?

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In the half-reaction S2O3-2S4O6-2, what is the number of electrons that must be added?

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Cu2S+MnO4-Cu2++SO2+Mn2+

How many electrons will be lost from 1 mole of Cu2S in the above reaction?

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The maximum number of moles of electrons are taken up by one mole of NO3-, if it is reduced to
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When glucose is oxidized in the body, the change in the oxidation state of carbon atom is from
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C2O42-+MnO4-Mn2++CO2

The above reaction takes place in