Priority table given below is in decreasing order i.e., COOH has the highest priority, SO3H has the 2nd highest and so on.
COMPOUND NAME | FORMULA |
---|---|
Carboxylic acid | -COOH |
Sulphonic acid | -SO3H |
Ester | -COOR |
Acid chloride | -COCl |
Acid amides | -CONH2 |
Nitrile | -CN |
Aldehyde | -CHO |
Ketone | >C=O |
Alcohol | -OH |
Phenol | -C6H6O |
Thiols | -SH |
Amines | -NH2 |
Ether | -OR |
Alkene | >C=C< |
Alkyne | -C≡C- |