CHEM 101 Chapter Notes - Chapter 4: Ionic Compound, Chemical Equation, Solution

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23 Nov 2017
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Chapter 4 reactions in aqueous solution: 1 general properties of aqueous solution. Electrolyte: a substance (such as nacl) whose aqueous solutions contain ions conducts electricity, dissociate into ions when dissolved in water, strong electrolyte: dissociates completely when dissolved in water, acids and bases are common electrolytes. 4. 2 precipitation reactions: precipitation reactions: reactions that occur when two solutions containing soluble salts are mixed and an insoluble salt is produced, precipitate: insoluble solid formed by a reaction in solution. +), alkali metal cation (li+, na+, ) insoluble unless paired with a soluble ion: hydroxide (except strong bases), sulfide (s2-) and oxide (o2-) Metathesis (exchange) reactions reactions in which cations and anions appear to exchange partners (precipitation reactions and many neutralization reactions): ax + by ay + bx. (aq) + 2 k+ (aq) + 2 i- (aq) pbi2 (s) + 2 k+ (aq) + 2 no3.

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