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Answer to Question #12551 in Inorganic Chemistry for Harry

Question #12551
Can you please put the following that react with hydrogen peroxide (FeCl2, FeCl3, CuCl2, CuCl,ZnCl2) in an order from slowest to quickest decomposition? Please state an explanation to your answer as I am totally confused about the free radicals that are formed in each case that cause the reaction to speed up.

Thanks for any help that you can give!
Expert's answer
FeCl2 and CuCl have the fastest rate of reactions,cause changing of charg leads
to more stable compound Fe3+ compounds is stable than Fe2+ ,the same with Cu2+
and Cu+.
2FeCl2+H2O2=2FeOHCl2
2CuCl+H2O2=2CuOHCl

CuCl2,ZnCl2,FeCl3
can react with producing some complexes,and the rate of decomposition is
proportional to constant of stable of that complexes

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