Chem 2 - Reaction rates, Salts and Electrolysis - Acids Reacting With Metals

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Acids Reacting With Metals

Metals react with Acids to give Salts:

Acid + Metal = Salt + Hydrogen

- The more reactive a metal, the faster the reaction will go

- Copper does not react with dilute acids at all, as it is less reactive than Hydrogen

- The speed of reaction is indicated by the rate at which bubbles of Hydrogen are given off

- The Hydrogen is confirmed by the burning splint test, giving the Squeaky pop.

- The name of the salt depends on the metal and acid used

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Acids Reacting With Metals 2

Hydrochloric Acid will always produce Chloride salts:

- 2HCl + Mg = MgCl2 + H2 (Magnesium Chloride)

- 6HCl + 2Al = 2AlCl3 + 3H2 (Aluminium Chloride)

Sulfuric Acid will always produce Sulfate salts:

- H2SO4 + Mg = MgSO4 + H2 (Magnesium Sulfate)

- 3H2SO4 + 2Al = Al2(SO4)3 + 3H2 (Aluminium Sulfate)

Nitric Acid produces Nitrate salts when Neutralised

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