Definitions Flashcards
Define rate of reaction
The change in concentration of reactants or products per unit time
Acid
A proton donor
Base
A proton acceptor
Strong acid
A species which fully dissociates in solution to give H+ ions
Weak acid
A species which partially dissociates in solution to give H+ ions
Strong base
A species which fully dissociates in solution to give OH- ions
Weak base
A species which partially dissociates in solution to give OH- ions
Buffer
A solution which can resist a large pH change on addition of small amounts of acid or alkali
Chiral
An atom attached to four different groups
Enantiomers
Molecules which are non-super imposable mirror images of each other
Optical activity
The ability to rotate the plane of plane-polarised light
Racemate
A 50/50 mixture of two optical isomers
