Why is the formation of iron hydroxide, Fe(OH)2, from Fe2+ and OH- not considered a REDOX reaction?Fe2+ +   2OH-===> Fe(OH)2a. The iron is only reduced, and nothing oxidized.b. Iron hydroxide can never be formed.c. The iron is only oxidized and nothing is reduced.d. The oxidizing numbers of  Fe2+ and Fe (in Fe(OH)2 ) are not changed during this chemical reaction.

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Asked Jul 21, 2019
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Why is the formation of iron hydroxide, Fe(OH)2, from Fe2+ and OH- not considered a REDOX reaction?

Fe2+ +   2OH-===> Fe(OH)2

a. The iron is only reduced, and nothing oxidized.

b. Iron hydroxide can never be formed.

c. The iron is only oxidized and nothing is reduced.

d. The oxidizing numbers of  Fe2+ and Fe (in Fe(OH)2 ) are not changed during this chemical reaction.

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Expert Answer

Step 1

Redox reaction is a kind of chemical reaction in which transfer of electrons occurs between two chemical species.  It can be identified by observing the oxidation number of reactant and product if there is change in oxidation number then it is redox reaction.

Step 2

The oxidation numbers of reactants and products i...

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Fe(OH), (Fe +2,ОH - 2) 20H (2-) Fe (+2)+

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