Chemistry Homework Solutions
Problem
#133664

Reactions/Oxidization

1.Which of the following reactions is spontaneous?

    Zn + MgCl2 → ZnCl2 + Mg  
   Zn → Zn+2 + 2e-  
   ZnCl2 + Pb → PbCl2 + Zn  
   ZnCl2 + Al → AlCl3 + Zn  

2. Which substance could oxidize lead metal?  
   a. calcium ions  
  b. fluoride ion  
  c. sulfur in acid solution  
  d. silver metal  

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