Question

What is the chemical formula for iron(II) hydroxide?

Answer 1

The chemical formula for iron(II) hydroxide is Fe(OH)2

Answer 2

Answer:
`Fe(OH)_2`

Explanation:

The chemical formula involves ferrous ions
`Fe^(2+)` and hydroxide ions
`OH^-`. They combine in 1:2 ratio so as to form a neutral and stable compound.

`Fe^(2+)+2OH^-\rightarrow Fe(OH)_2`

The chemical formula is written by exchange of valencies as shown in the image attached.