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Q.

Following reaction describes the rusting of iron 4Fe + 3O2 → 4Fe3++6O2-. Which one of the following statement is incorrect

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a

This is an example of a redox reaction

b

Metallic iron is reduced to Fe3+

c

Fe3+ is an oxidising agent

d

Metallic iron is a reducing agent

answer is B.

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Detailed Solution

4Fe+3O24Fe+3+6O2

'Fe' Oxidizes to 'Fe+3' ,Fe is the reducing agent
'O2' reduces to 'O-2' , O2 is the Oxidizing agent
It is a redox reaction.

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