Question

Enter electrons as e-. Use smallest possible integer coefficients. If a box is not needed, leave...

Enter electrons as e-.
Use smallest possible integer coefficients.
If a box is not needed, leave it blank.



Use the table 'Standard Reduction Potentials' located in the 'Tables', to predict if a reaction will occur when Fe metal is put into a 1M aqueous Cd2+ solution.

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

___ + ___ ------> ___+ ___


Use a table of Standard Reduction Potentials to predict if a reaction will occur between Cd metal and F2(g), 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.

___+ ___ ------> ___+ ___

Homework Answers

Answer #1

1) net reaction:

Fe(s) + Cd+2 (aq) ------------> Fe+2 (aq) + Cd (s)

2) net reaction :

Cd (s) + F2 (g) --------------------------> 2 F - (aq) + Cd+2 (aq)

explanation :

these reactions are based on standard reduction potential . Fe reduction potential lower tha Cd reduction potential so

Fe will be oxidised

Cd+2 will be reduced

in the second probelm

F2 will be reduced and Cd will be oxidized . F2 is very good oxidizing agent and Cd is reducing agent

these answer based on standard reduction potentails which are in standard table you can find

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