Aluminum reacts with substances of the composition: a) NaCl; b) Br2; c) Fe2O3; d) H2SO4
| September 23, 2021 | education
Aluminum reacts with substances of the composition: a) NaCl; b) Br2; c) Fe2O3; d) H2SO4. Write down the equations of the reactions taking place.
Aluminum reacts with the following substances: Br2, Fe2O3, H2SO4.
2Al + 3Br2 = 2AlBr3
2Al + Fe2O3 = Al2O3 + 2Fe
2Al + 3H2SO4 (dil.) = Al2 (SO4) 3 + 3H2 or
2Al + 6H2SO4 (conc.) = Al2 (SO4) 3 + 3SO2 + 6H2O (when heated, it is passivated in the cold and the reaction does not proceed).
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