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Hello students.
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Here we have this reaction in which we have to find out the reducing agent.
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So we will calculate the change in oxidation state of each element for vanadium, magnesium, hydrogen and oxygen and see which of them is undergoing change in oxidation number and where it is increasing.
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So when there is an increase in oxidation number, it means that species undergoing oxidation.
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And whenever there is an oxidation, that species is reducing agent.
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So we'll check for the increase in oxidation state.
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So let us first start with vanadium, vo plus 2 ion.
00:47
So here the oxidation number of vanadium, let us assume it is x, there is one oxygen atom and which consists of minus 2 as its oxidation state, which is by rules, which is equals to plus 2, which is the overall charge on the ionic species...