Identify the oxidation-reduction reactions from the following list, and justify why.
i) Hydrochloric acid neutralising sodium hydroxide.
ii) Electrolysis of water
iii) Esterification of ethanol and ethanoic acid
iv) Iron nail in copper sulfate solution
(I think helping me with 1 or 2 of the above should be able to help me understand it). Thanks!
P.S. there is another post exactly the same as this one that is under the wrong subject, really sorry.
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what you have to do, is write out the reactions, and see if any of the species CHANGED oxidation state. If so, it is a rEDOX reaction.
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