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Chemistry 12: College Preparation Unit 5 Self Quiz - 5.3 - 5.6


Short Answer
 

 1. 
a. In the activity series, where are the metals that are most likely to be oxidized?
b. Where are the metals that are least likely to be oxidized?
 

 2. 
Why is hydrogen included in the activity series, even though it is not a metal?
 

 3. 
Use the activity series to determine whether or not each reaction will occur. Write a balanced chemical equation if a reaction occurs. Write NR if no reaction occurs.
a. Ni(s) + CuSO4(aq) ®
b. Sn(s) + FeCl2(aq) ®
c. Ca(s) + H2SO4(aq) ®
d. Mg(s) + HNO3(aq) ®
 

 4. 
Titanium is a strong, corrosion-resistant metal that is used to make the frames of expensive bicycles, among other things.
a. One step in obtaining pure titanium is causing titanium tetrachloride, TiCl4(s), to react with magnesium metal. Complete the following chemical equation for this reaction:
TiCl4(s) + Mg(s) ®
b. Titanium is not on the activity series given in the Student Text. Based on the reaction in a., should titanium be above or below magnesium in the activity series? Explain your answer.
 

 5. 
In Table 1, classify the following substances as conductors or nonconductors of electricity: Cu(s), NaOH(aq), KCl(aq), KCl(s), H2O(l), Ca(OH)2(aq), C6H12O6(aq).

Table 1  Classification by Ability to Conduct
Conductors
Nonconductors






 
 



 
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