Chemistry, asked by jaydeepthakur669, 11 months ago

Why cr+3more stable than fe+3

Answers

Answered by raviwanje155
16

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»»»Fe2+ to Fe3+ oxidation potential is -0.77V hence Fe2+ is more stable than Fe3+ but if you look at configuration it is exactly opposite and you will find Fe3+ More stable

»»»But water has a reduction potential of -1.2V

»»»iron(III) salts do not spontaneously oxidize water to produce oxygen.

»»»conversely, oxygen does spontaneously oxidize iron(II) to iron(III). Solutiosn of iron(II) salts are thermodynamically unstable under aerobic (oxygen-rich) conditions.

»»»The reason behind this is that the oxidation potentials are measured with respect to hydrogen electrode so dont take them seriously

»»so fe3+ is more stable

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