Since all the atoms are in either period 1 or 2, this
molecule will adhere to the octet rule.
The exception, of course, being the hydrogen's. They
follow the duet rule (2 electrons).
From-http://en.wikipedia.org/wiki/formaldehyde-It is the simplestaldehyde.
An aqueous solution of formaldehyde can be useful as a disinfectant as it kills
fungi (including their spores). It is also used as apreservativeinvaccines.
Formaldehyde solutions are applied topically in medicine to dry the skin, such
as in the treatment ofwarts.