Use the table \'Standard Reduction Potentials\' located in the \'Tables\', to pr

Question

Use the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will occur when Zn metal is put into a 1M aqueous Cu2+ solution.

If a reaction will occur, write a balanced net ionic equation for the reaction. If no reaction will occur, leave all boxes blank.

se the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will occur when Al metal is put into a 1M aqueous Ag+ solution.

If a reaction will occur, write a balanced net ionic equation for the reaction. If no reaction will occur, leave all boxes blank.

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     A2 A2 A2 A2 rightarrow A2 A2 A2 A2

Explanation / Answer

The standard redcution potential Eo Cu+2 /Cu = 0.16

E0 Zn+2/Zn = -0.76

Eo cell = 0.16 + 0.76 = 0.92

so the reaction occurs .

the reaction is

Cu+2 + Zn ----> Cu + Zn +2

2) Eo Ag+/Ag = 0.80

E0 Al+3/Al = -1.662

Eo cell = 0.80 + 1.662 = 2.462

so the raction occurs

the reaction is

3Ag+ + Al ---> 3Ag + Al 3+

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