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Acids and Bases - Chemical Ideas 8.1

An example of an acid-base reaction

Brnsted-Lowry theory of acids and bases

An acid is a

A base is a

Note: Acid-base reactions

are NOT redox reactions

oxidation states remain

unchanged

Acids and Bases in solution

dissolves in water

HCl H+ (aq) + Cl- (aq)

Alkalis and bases

Acid-base pairs

HA H+ (aq) + A- (aq)

Strength of acids and bases

HCl H+ (aq) + Cl- (aq)

C2H5OH H+ (aq) + C2H5O

- (aq)

Indicators

Acid base indicators are __________ organic substances that are ________ acids. Their conjugate

acid and base forms have __________________ colours.