Balance the following redox reactions using the oxidation number method a. NaClO + H2S = NaCl + H2SO4 b. Sn + HNO3 + H2O = H2SnO3 + NO

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter18: Electrochemistry
Section: Chapter Questions
Problem 61E: Consider only the species (at standard conditions) Na+, Cl, Ag+, Ag, Zn2+, Zn, Pb in answering the...
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1- Balance the following redox reactions using the oxidation number method

a. NaClO + H2S = NaCl + H2SO4

b. Sn + HNO3 + H2O = H2SnO3 + NO

 

2- Balance the following redox reactions using the half-reaction method.

a. Mg + Al+3 = Mg+2 + Al

b. H2O2 + Cr2O72- = O2 + Cr+3 (in acidic solution)

 

2.Rank the following entities in order of increasing strength as oxidizing agents. (1=weakest oxidizing agent and 6= strongest oxidizing agent)

Cd+2(aq)                 

 IO3-1(aq)                

K+1(aq)                      

H2O(l)                   

AuCl4-1(aq)                   

 I2(s)

 

3. Indicate which of the following pairs of substances, when combined, will result in a spontaneous chemical reaction. Write spontaneous or non-spontaneous.

a.    K+1(aq) and Na(s)  

               

b.   Cr+2(aq) and K(s) 

                

c.    Pb+2(aq) and Fe(s) 

        

d.   Ag(s) and Sn+2(aq)      

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