Experiment 11 Exploring Types of Raactions PREPARATION WORKSHEET Name TA: Date S

Question

Experiment 11 Exploring Types of Raactions PREPARATION WORKSHEET Name TA: Date Section Answer the following questions using information obtained from lecture, the textbook, the lab manual, or other reliable sources. The responses will be collected at the beginning of Pre-Lab Recitation and checked at the start of your lab section for credit. Failure to complete all answers may result in exclusion from participating in the lab. Read or review the section of your textbook describing types of reactions prior to complet- ing this assignment. Classify each of the following reactions. In some cases, more than one descriptor may be appropriate. 1, 2 KI(aq) + Ph(NO.),(aq) 2KNO,(aq) + PbI,(s) 2. 2G,H,(g) + 7009) 4 co,(g) + 6H,0(g) 3. Zn(s) + CuCl2(aq) ZnCl,(aq) + Cu(s) 4. S(s)+O(a) SO (a) 5. Cl(g) + Nil,(aq)-12(s) + NiCl,(aq) 6. NH (aq) H,O()NH, (aq)+OH (aq) Caco,(s) CaO(s) + CO2(g) 197

Explanation / Answer

1. 2KI(aq) + Pb(NO3)2(aq) ------> 2KNO3(aq) + PbI2(s)
   double displacement reaction.
2. 2C2H6(g) + 7O2(g) ------------> 4CO2(g) + 6H2O(g)
    combustion reaction
3. Zn(s) + CuCl2(aq) ---------------> ZnCl2(aq) + Cu(s)
    single displcement reaction
4. S(s) + O2(g) -------> SO2(g) combination reaction of combustion reaction
5. Cl2(g) + NiI2(aq) ----------> I2(s) + NiCl2(aq)
    halogen displacement reaction
6. NH3(aq) + H2O(l) ---------> NH4^+ (aq) + OH^- (aq)
    acid- base reaction
7. CaCo3(s) ----------. CaO(s) + Co2(g)
   decomposition reaction

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