Why Sulfuric acid? - Alcohol Oxidation

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John-Alejo
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Why is dilute sulfuric acid used along side potassium dichromate in the oxidation of alcohols?
K2Cr2O7 is just used because its a useful oxidising agent but why does the sulfuric acid need to be used?
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Billy_Boi
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Also learnt that today and our teacher said that you can't use HCl and that "we'll find out next year." So I assume it's part of the Chemistry Year 2 Spec.

My educated guess would be that H2SO4 is diprotic compared to HCl which is monoprotic. It's probably to do with H+ ions.
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John-Alejo
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(Original post by Billy_Boi)
Also learnt that today and our teacher said that you can't use HCl and that "we'll find out next year." So I assume it's part of the Chemistry Year 2 Spec.

My educated guess would be that H2SO4 is diprotic compared to HCl which is monoprotic. It's probably to do with H+ ions.
Yeah I'm thinking that too; H+ ions give the solution acidity but why is this required?
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