Question

State the meaning of the functional group in an organic compound. Write the formula of the functional group present in alcohols, aldehydes, ketones and carboxylic acids.

Answer 1

“A atom or group of atoms which show a characteristic unique reactivity when treated with some reagents and also which impart some unique chemical as well as physical properties to the primary molecule is defined as functional group.”

The lists of some of the common functional groups are contained in the table below IN PIC ATTACHED

Answer 2

Functional groups may be defined as a atom or group of atoms that are attached to the compound to show unique characteristics and show different reactions then the main compound .

• Functional group of Alcohols ->  -OH

• Functional group of Aldehydes -> -CHO

• Functional group of Ketones ->  -CO

• Functional group of Carboxylic acids -> -COOH