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Reaction Types

Reaction Types. Classifying Reactions. Types of Chemical Reactions. Synthesis Decomposition Single replacement Double Replacement Combustion. Synthesis. Two or more substances react to form ONE product A + B  AB. Synthesis. Reaction of two elements. 2. 3. 2.

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Reaction Types

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  1. Reaction Types Classifying Reactions

  2. Types of Chemical Reactions Synthesis Decomposition Single replacement Double Replacement Combustion

  3. Synthesis Two or more substances react to form ONE product A + B  AB

  4. Synthesis Reaction of two elements 2 3 2 ___Al + ___Cl2 ___AlCl3 Al3+ Cl1-

  5. Decomposition One substance breaks down into two or more simpler products AB  A + B

  6. Decomposition 2 2 3 __ NaN3 (s)  ___ Na (s) + ___ N2 (g) 2 2 __ CaO (s)  ___ Ca (s) + ___ O2 (g)

  7. Single Replacement Reactions One element replaces another element in a compound to form a new compound and element A + BX  AX + B

  8. Reactivity Series Metals A more reactive metal will replace a less reactive metal in a solution Li K Ca Na Mg Al Mn Zn Fe Ni Sn Pb Cu Ag Au most active least active

  9. examples aluminum + iron (III) oxide Fe3+ O2- More reactive? 2 2 + Al + Fe2O3 Fe Al2O3 Al3+ O2-

  10. examples silver + copper (I) nitrate Cu1+ NO31- More reactive? Ag + CuNO3 NO RXN

  11. Double Replacement Exchange of cations between two ionic compounds A B + C D  AD + CB switch

  12. Will the Solutions React? One of the following things must occur for a reaction to occur: Precipitate is produced [(s) or ()] Gas is evolved [(g) or ()] Water is made [(l) or (g)] Use the solubility rules to determine if a solid is made

  13. Example Problem Lithium iodide and aqueous silver nitrate react Li1+ I1- Ag1+ NO31- LiI AgI + AgNO3 (aq) (aq) (s) + LiNO3 (aq) Use a solubility table to determine state of each component.

  14. Combustion Compound reacts with O2 Hydrocarbon – compound with only carbon and hydrogen

  15. Combustion Combustion of hydrocarbons ALWAYS produces CO2 and H2O CxHy + O2 CO2 + H2O

  16. Example Problem Show combustion of propane (C3H8) gas C3H8 + 5 O2 3 CO2 + 4 H2O

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