Question

activity to show redox reaction​

Answer 1

Answer:

Redox Reaction Example

In a redox reaction, the reactant that loses electrons (is oxidized) causes a reduction and is called a reducing agent.

In the example above, zinc metal is the reducing agent; it loses two electrons (is oxidized) and becomes Zn2+ ion.

Answer 2

ACTIVITY

To determine Redox Reactions

GOALS

• To explore the relative oxidizing and reducing strengths of different metals.

• To gain practice working with electrochemical cells.

• To use experimentally determined cell potentials to rank reduction half-reactions.

MATERIAL REQUIRED

Beakers, 4 Glasses, Copper II Sulphate, Sodium Chloride, 4 Different Metals like Zn, Al, Fe , Hg , Spatula.

PROCEDURE

1. Get a 250 ml beaker and filled it with CuSO4 Solution.
2. Add some NaCl using Spatula, it increases the rate of reaction.
3. Stir beaker for about 2 - 5 minutes and then left it for 2 minutes.
4. Get 4 Glasses and filled them with prepared Solution.
5. Dip these Metals Samples in those 4 glases one by one.
6. After 30 minutes you will see glass contaning Zn will start Redox Reaction.

CONCLUSION

In a redox reaction, the reactant that loses electrons (is oxidized) causes a reduction and is called a reducing agent.

In the example above, zinc metal is the reducing agent; it loses two electrons (is oxidized) and becomes Zn2+ ion.

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