Equilibria of Other Reaction Classes

Vocabulary

adduct

product containing at least one coordinate covalent bond

common ion effect

effect of adding to a solution a salt that has an ion in common with a solute, causing the equilibrium to shift, lowering the solubility of the original solute so that it precipitates out of solution

complex ion

molecule consisting of a central ion to which other groups of molecules or ions are bound

coordinate covalent bond

covalent bond in which the shared electrons come from only one of the atoms

formation constant (Kf)

equilibrium constant for a complex ion formation

ion product (Qsp)

constant analogous to the solubility product constant but calculated from initial concentrations or other ion concentrations when the reaction is not at equilibrium

Le Chatelier's principle

principle that states that a change in the temperature, pressure, or concentration of a component will cause the equilibrium condition of a chemical system to change in a way that reduces the change

Lewis acid

electron-pair acceptor in a Lewis acid-base reaction

Lewis base

electron-pair donor in a Lewis acid-base reaction

ligand

ion or molecule that bond to a central metal atom or ion as part of a coordination complex

molar solubility

molarity of a compound in a saturated solution

saturated solution

solution that contains the maximum amount of dissolved solute normally possible at a certain temperature

saturation point

concentration at which no more solute dissolves in a solution for a given temperature and pressure

selective precipitation

separation technique for compounds that share a common ion but have different solubilities and are precipitated out of solution

solubility product constant (Ksp)

equilibrium constant for a solid in an aqueous solution

strong electrolyte

ionic compound that dissociates completely into its component ions in solution

supersaturated solution

solution that contains more than the maximum amount of dissolved solute normally possible at a certain temperature

unsaturated solution

solution that contains less than the maximum amount of dissolved solute normally possible at a certain temperature

weak electrolyte

ionic compound that only partially dissociates into its component ions in solution