Science, asked by sandymethu, 2 months ago

oserve the following picture and list down the activities in which water is used.
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Answered by sk85418127
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Observe the following picture and write down the chemical reaction with explanation.

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Rusting of iron :

The rusting of iron is an electrochemical process that begins with the transfer of electrons from iron to oxygen.

(i) O

2

+4e

+2H

2

O⟶4OH

(ii) Fe⟶Fe

2+

+2e

(iii) 4Fe

2+

+O

2

⟶4Fe

3+

+2O

2−

(iv) Fe

2+

+2H

2

O⇌Fe(OH)

2

+2H

+

Fe

3+

+3H

2

O⇌Fe(OH)

3

+3H

+

(v) Fe(OH)

2

⇌FeO+H

2

O

Fe(OH)

3

⇌FeO(OH)+H

2

O

2FeO(OH)⇌Fe

2

O

3

+H

2

O

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