Question

Iron with atomic number 26 shows +3 oxidation state in chemical reaction.
a .Write the subshell electronic configuration of Fe.
b.Write the subshell electronic configuration of the ion formed.
c.Write whether the element can show different oxidation state. Justify?
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Answer 1

Answer:

a) Subshell electronic configuration.

Fe

Fe

2+

Fe

3+

1s

2

2s

2

2p

6

3s

2

3p

6

3d

6

4s

2

1s

2

2s

2

2p

6

3s

2

3p

6

3d

6

1s

2

2s

2

2p

6

3s

2

3p

6

3d

5