8/18/2019 Guided Practice Qeustions

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Guided Practice: Redox Reactions

1 Determine what is oxidized and what is reduced in the following reaction:

4Al (s) + 3 O2 (g) → 2Al2O3 (s)

Aluminum is being oxidized.

Oxygen is being reduced.

2 Determine what is oxidized and what is reduced in the following reaction:

2 Cu + 2 H+  2 Cu+ + H2

Hydrogen is being reduced.

 Coer is being reduced.

! Determine what is oxidized and what is reduced in the following reaction:

Br + !nO4 

  Br2 + !n2+

"romine is being oxidized.

#anganese is being reduced.

Oxygen is being reduced.

$ Determine what is oxidized and what is reduced in the following reaction:

2 "a + 2 H2O 2 "aOH + H2

%odium is being oxidized.

Hydrogen is being oxidized. 

8/18/2019 Guided Practice Qeustions

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