Prelaboratory Problems - Experiment 6-Classification of Chemical Reactions The s

Question

Prelaboratory Problems - Experiment 6-Classification of Chemical Reactions The solutions to the starred problems are in Appendix 4 1. Classify the following reactions according to combination (CA), decomposition (D), combustion (CU), single replacement (SR) or double replacement (DR) and then balance the equations a.* Mg(s) ZnCl2(aq) gCly(aq) + 04 SR. Cu l(s) + HCl(aq) -1-AICIy(aq) + 3H2(g) SC 2. Complete, balance and classify the following reactions: e(s) + CuCl2(aq) -fe 2015Cengage Leammg AllRights Reserved May not bescan cd, eopied or duplicated, or posted to a publicly accessible websit, in whole or in part

Explanation / Answer

a. BaCl2(aq) + Na2SO4 (aq) --------------> BaSO4(s) + 2NaCl(aq)                     DR

b. Fe(s) + CuCl2(aq) ----------------> FeCl2 (aq) + Cu(s)                                     SR

c. 2C6H6 + 15O2(g) -----------------> 12CO2(g) +6H2O(g)                                  CU

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