Physical Properties
Chapter Name : Amines |
Sub Topic Code : 102_12_13_05_01 |
Topic Name : Physical Properties |
|
Sub Topic Name : Physical Properties |
|
Introduction
Amines are organic compounds and functional groups that contain a basic nitrogen atom with a lone pair.
Pre-Requisites:
Amines
Activity:
Blue dye.
Real Life Question:
What are amines?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Amines | Amines are organic compounds and functional groups that contain a basic nitrogen atom with a lone pair. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Aniline | Aniline, phenylamine or aminobenzene is an organic compound with the formula C6H5NH2. Consisting of a phenyl group attached to an amino group, aniline is the prototypical aromatic amine. |
Real life uses :
Preparation of methylene dianiline.
Places to visit :
Departmental stores.
Practical examples around us
| Examples | Explainations |
|---|---|
| Indigo | Indigo was a natural dye extracted from plants, and this process was important economically because blue dyes were once rare. |
What you learn in Theory:
Hydrogen bonding significantly influences the properties of primary and secondary amines. Thus the boiling point of amines is higher than those of the corresponding phosphines, but generally lower than those of the corresponding alcohols.
What you learn in Practice:
Solubility decreases with the increase in the number of carbon atoms. Aliphatic amines display significant solubility in organic solvents, especially polar organic solvents. Primary amines react with ketones such as acetone.