Question

In which of the following compounds does iron have the lowest oxidation number?

A. All are equal
B. Fe(OH)2
C. Fe(OH)3
D. FeOH

Answer 1

Answer:

C is the Answer

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Answer 2

Compounds are formed by the same or the different molecules of the elements. Iron has the lowest oxidation number in FeOH. Thus, option D is correct.

What is the oxidation number?

The oxidation number is the total gain or loss of the electrons by the atom to form a chemical bond with another atom in a molecule or a compound.

The oxidation state in a neutral compound adds up to zero. The oxidation number of oxygen is -2, and that of hydrogen a monoatomic ion is always +1.

Oxidation states are calculated as,

Fe(OH)₂:

X + 2 (-2 +1 ) = 0

X -2 = 0

X = +2

Fe(OH)₃:

X + 3 (-2 +1 ) = 0

X - 3 = 0

X = + 3

FeOH:

X -2 + 1  = 0

X - 1 = 0

X = +1

Therefore, iron has the lowest oxidation number in FeOH.

Learn more about oxidation numbers here:

https://brainly.com/question/3035498

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