Question

write is the oxidation state of the metal ion in the following.

(ii) [Fe(CN)6]3-
​

Answer 1

Answer:

3

Explanation:

Oxidation number of potassium (K)=+1

Oxidation number of cyanide ion (CN

−

)=−1

Let oxidation number of Fe be x.

As we know that sum of oxidation state of ll the atoms in a compound is equal to the overall charge on that compound.

∴3(+1)+x+6(−1)=0

⇒2+x−6=0

⇒x=6−3

⇒x=+3

Hence the oxidation state of Fe in K

3

[Fe(CN)

6

] is +3.