Use a table of Standard Reduction Potentials to predict if a reaction will occur
ID: 587076 • Letter: U
Question
Use a table of Standard Reduction Potentials to predict if a reaction will occur between Mn metal and I2(s), when the two are brought in contact via standard half-cells in a voltaic cell.
If a reaction will occur, write a balanced net ionic equation for the reaction, assuming that the product ions are in aqueous solution. If no reaction will occur, leave all boxes blank.
___+___------> ___+ ___
Enter electrons as e-. Use smallest possible integer coefficients. If a box is not needed, leave it blank.Explanation / Answer
oxidation half reaction
Mn (s) --> Mn2+ + 2 e-
Reduction half reaction
I2 (s) + 2 e- --> 2I- (aq)
net reaction
Mn (s) + I2 (s) --> Mn2+ (aq) + 2I- (aq)
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