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Redox Question

I found this question when I was revising and I don't know/ forgotten how to do it.

Which one is the reducing agent and which one is the oxidising agent in the following equation?:
SO2(g) + 2H2O(l) + 2Cu2+(aq) + 2Cl-(aq) → SO42-(aq) + 4H+(aq) + 2CuCl(s)


How do you go about working it out?

Thanks in advance.
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Neuth
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Original post by Internets
SO2(g) + 2H2O(l) + 2Cu2+(aq) + 2Cl-(aq) → SO42-(aq) + 4H+(aq) + 2CuCl(s)


How do you go about working it out?


Work out the oxidation numbers, and then look at which change :fluffy:

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