Wednesday 21 April 2021

Common names of organic compounds

 Important organic compounds and their common names

S.N.

Structural formula 

of Organic compound

 (or group)

Common name

IUPAC name

Remarks


n-propyl group




Iso-propyl group




CH3-CH2-CH2-Cl


n-propyl chloride

1-chloropropane



CH3-CH2-CH2-OH


n-propyl alcohol

Propan-1-ol



Iso-propyl chloride

2-chloropropane



Iso-propyl alcohol

Propan-2-ol



n-butyl group




iso-butyl group




sec-butyl group




tert- butyl group




CH3-CH2-CH2-CH2-Cl


n-butylchloride




isobutylchloride

1-chloro-2-methylpropane



sec. butylchloride

2-chlorobutane



tert. butylchloride

2-chloro-2-methylpropane



CCl4

Carbontetrachloride

Tetrachloromethane



CHCl3

Chloroform 

Trichloromethane 



CHI3

Iodoform 




CH3-CN

Methyl cynide

Ethane nitrile



COCl2                       OR                          

Phosgene    

Or 

carbonyl chloride




CCl3-CHO

Chloral

1,1,1-trichloroethanal



CCl3-NO2

Chloropicrin         or

Nitrochloroform

Trichloronitromethane



Vic. dichloride          (vicinal dichloride)


If two halogen on adjacent carbon   'vic' is used


Gem. dichloride    (germinal dichloride)


If two halogen on same carbon atom  'gem' is used


Ethylene glycol

Ethan-1,2-diol



OHC-CHO         or

Glyoxal

Ethandial








cynohydrin


Having -OH &

-CN group on same carbon


Acetonecynohydrin


As it is obtained from acetone


NH2OH

Hydroxyl amine




oxime




NH2-NH2

Hydrazine 




hydrazone




NH2-NH-CO-NH2

Semicarbazide 




semocarbazone




    or    

Benzene 




Nephthalene




  or    C6H5-

Pheny group





Diphenyl or Biphenyl





Diphenyl ether




Phenol




Toluene 




Aniline 




Nitrobenzene 




Benzaldehyde 




Benzoic acid




o-Xylene




o-cresol

o-hydroxytoluene

What is

 m-cresol?


Salicyaldehyde 

o-hydroxy benzaldehyde



Salicylic acid

o-hydroxybenzoic acid



Benzyl group




Benzal group




Benzo group




Benzoyl group




Benzyl chloride


Write benzyl alcohol


Benzalchloride


What is benzal alcohol


Benzotrichloride


What is benzotriol?


Benzoyl chloride




o-chlorotoluene




o-tolunic acid


Write m-toluenic acid



Acetophenon




Benzophenon




Benzamide




Anisol

Methoxy benzene



common name

Rutherford's alpha Particle scattering experiment : Discovery of nucleus

Alpha particle: Alpha particle is helium nucleus having 2 unit positive charge and 4 unit mass.  Radioactive substances emit alpha particles...