For the oxidation-reduction reaction equation given
here,
4Al + 3O2 --> 2Al2O3
indicate how many electrons are transferred in the formation of 1
formula unit of product.
_ _ _ _ _ _
0 +3
4Al + 3O2 2Al2O3
In the above reaction the oxidation state of Al changes from 0 to +3
4 aluminiun atoms in the left hand side are converted to 4 Al 3+ ions in the right hand side
So totally 4x 3 = 12 electrons are transferred for 2 formula units of the product
For 1 formula unit of product the number of electrons transferred are 12/ 2 = 6
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