What happens if the aluminum plate is lowered: a) in hydrochloric acid, b) in concentrated sulfuric acid
| March 22, 2021 | education
What happens if the aluminum plate is lowered: a) in hydrochloric acid, b) in concentrated sulfuric acid, c) in dilute sulfuric acid Write down the equations of the corresponding reactions.
When interacting with hydrochloric and dilute sulfuric acids, aluminum will displace hydrogen from the acids.
2Al + 6HCl = 2AlCl3 + 3H2
2Al + 3H2SO4 (diluted) = Al2 (SO4) 3 + 3H2
Concentrated sulfuric acid is a strong oxidizing agent. When it interacts with active metals, the formation of various reduction products is possible, namely: S, SO2, H2S.
8Al + 15H2SO4 (conc) = 4Al2 (SO4) 3 + 12H2О + 3H2S
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