Reactions in Aqueous Solutions

Term Definition
solvent the substance present in the greatest quantity

ionic compounds dissolving in detail

each ion dissociates from the solid structure and disperses throughout the solution

anions are attracted to the partial positive end of water

cations are attracted to the partial negative end of water

what do ionic compounds do when they dissolve in water they ionize or form ions
solvated when ions are completely surrounded by solvent molecules to prevent them from recombining and to allow them to disperse uniformly throughout the solution
aqueous solution solution in which water is the solvent


substance that does not form ions when in aqueous solution

aqueous solution cannot conduct electricity

most molecular compounds


substance whose aqueous solution contains ions

aqueous solution can conduct electricity

ex. ionic compounds, some molecular compounds

precipitation reactions

result in the formation of an insoluble product

follow the pattern of exchange reaction

what is the insoluble product called precipitate
important notes about molecular equations 1. This equation only contains compounds; not ions!
2. A precipitate must form for a reaction to occur!
what does not separate into ions in complete ionic equations the precipitate does not separate into ions (remains a compound)
important notes about net ionic equations 1. This equation only shows ions and compounds directly involved in the reaction (formation of a precipitate).
2. If every ion in a complete ionic equation is a spectator, no reaction occurs!!!!!!
another name for acids proton donors (not organ donors)
bases substances that accept/react with H? ions and produce OH? ions when they dissolve in water

bases that do not contain OH-

accept H? ions

proton acceptors

ex. NH?(aq) + H?O(l) – NH??(aq) + OH? (aq)

substances that are insoluble in water cannot be electrolytes

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