Ch.4 - Acids and Redox Flashcards by Tawana C

Hydrochloric acid

HCl

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Sulphuric acid

H2SO4

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Ethanoic acid

CH3COOH

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Nitric acid

HNO3

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Acids

Release H+ ions (protons) in aqueous solution

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Strong acids

Fully dissociate in aqueous solution

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Bases

Neutralise an acid to form a salt

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Alkali

Bases that dissolve in water and releases OH- ions in aqueous solution

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Group 1 metal hydroxides

-Soluble in water and can form alkalis

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Sodium hydroxide (base)

NaOH

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Ammonia (base)

NH3

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Alkali + Acid->

Salt + Water

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Neutralisation equation

OH- (aq) + H+ (aq) -> H2O (l)

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Weak acids

Partially dissociate in aqueous solution

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Potassium hydroxide (base)

KOH

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Oxidation (O2)

Gain of oxidation

Redox reactions

a reaction where reduction and oxidation occur

Reduction (O2)

Loss of oxygen

Spectator ions

Ions that do not change

Reduction (e-)

Gaining electrons
Oxidation number goes down

Oxidation (e-)

Losing electrons
Oxidation number goes up

Oxidising agent

The species accepting the electrons
i.e it is reduced

Reducing agent

The species donating the electrons
i.e it is oxidised