# Write Answer as Directed.Give Any Four Functional Groups Containing Oxygen as the Heteroatom in It. Write Name and Structural Formula of One Example Each. - Science and Technology 1

Give any four functional groups containing oxygen as the heteroatom in it. Write name and structural formula of one example each.

#### Solution

Four functional groups containing oxygen as the heteroatom in it are as follows:
1. Alcohols: The functional group, which is present in alcohol, is -OH. The IUPAC group suffix of alcohol is –ol.
Example: Ethanol

$\begin{array}{cc} |\phantom{........}|\phantom{....}\\ \ce{-C-OH-C-OH}\\ |\phantom{........}|\phantom{....}\\ \end{array}$

2. Aldehydes: The functional group, which is present in an aldehyde, is -CHO. The IUPAC group suffix of an aldehyde is –al.
Example: Formaldehyde

$\begin{array}{cc} \phantom{..}\ce{O}\\ |\phantom{...}||\phantom{..}\\ \ce{-C-C-H}\\ |\phantom{......} \end{array}$

3. Carboxylic acid: The functional group present in a carboxylic acid is -COOH. The IUPAC group suffix of a carboxylic acid is –oic acid.
Example: Acetic acid

$\begin{array}{cc} \phantom{.}\ce{O}\\ |\phantom{...}||\phantom{...}\\ \ce{-C-C-OH}\\ |\phantom{.......} \end{array}$

4. Ketones
Examples:- butanone

$\begin{array}{cc} \phantom{......}\ce{O}\\ \phantom{........}||\phantom{..}\\ \ce{CH3-CH2-C-CH3}\\ \end{array}$

#### Notes

$\begin{array}{cc} |\phantom{........}|\phantom{....}\\ \ce{-C-OH-C-OH}\\ |\phantom{........}|\phantom{....}\\ \end{array}$

Concept: Functional Groups in Carbon Compounds
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