Carboxylic Acids or Organic Acids
- They are carbon compounds attached to COOH (carboxylic group) .
- They are represented as ‘oic acid’.
- Example Methanoic Acid, Ethanoic Acid are Carboxylic Acids.
- These carboxylic acids are also called Organic Acids .
|
Number of Carbon Atoms |
Methane Name |
Carboxylic Acids Name |
|
1 |
Methane |
Methanoic Acid |
|
|
CH 4 |
HCOOH |
|
2 |
Ethane |
Ethanoic Acid |
|
|
C 2 H 6 |
CH 3 COOH |
|
3 |
Propane |
Propanoic Acid |
|
|
C 3 H 8 |
C 2 H 5 COOH |
|
4 |
Butane |
Butanoic Acid |
|
|
C 4 H 10 |
C 3 H 7 COOH |
Naming of Carboxylic Acids:
- Step 1
We take Parent alkane by seeing number of carbon atoms
(If 1 Carbon Atom, it is Meth, if 2 carbon atoms, we use Eth)
- Step 2
We use Certain Suffixes like 'oic acid' for (COOH) groups.
Example
- if we have to Name HCOOH
- It has 1 carbon atom, it means it is Meth.
- Since it has (COOH) attached, we use the suffix ‘oic acid'. Hence we get Methanoic acid
Example:
- If we have to name CH 3 COOH
- It has 2 carbon atoms which means it is Eth
- Since it has (COOH) attached, we use the suffix ‘oic acid ’.
- Therefore, we get Ethanoic acid.