1.
The atom or
group of atoms present in the molecule which determines characteristic property
of organic compound is called the functional group.
2.
All organic
compounds are considered as derivatives of hydrocarbons, it is formed by
replacing one or more hydrogen atom in a molecule by some other atom.
3.
In methane CH4,
if one hydrogen is replaced by an –OH group, then compound methyl alcohol. CH3.OH
is formed. The –OH group is the alcoholic functional group.
4.
After
replacement, a new compound has functions i.e. properties different from the
parent hydrocarbon.
Some functional group in
carbon compounds.
