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The common and IUPAC names of the organic compounds in order of their functional groups are given in a tabular form: Ethers Alkanes Structure Common name IUPAC name Structure Common name IUPAC name CH3-CH2-CH2-CH3 n-Butane Butane CH3-O-CH3 Dimethyl ether Methoxy methane (CH3)2CH CH3 iso-Butane 2-methyl propane CH3-CH2-O-CH2-CH3 Diethyl ether Ethoxy ethane CH3-O-CH2-CH3 Ethylmethylether methoxy ethane Structure Common name IUPAC name HCHO Formaldehyde Methanal CH3CHO Acetaldehyde Ethanal CH3-CH2-CHO Propanaldehyde Propanal Structure Common name IUPAC name CH3COCH3 Acetone Propanone CH3-CH2-CO-CH3 Ethyl methyl ketone Butanone CH3(CH2)4CH3 n-hexane Hexane CH3.(CH3)2.C.CH3 neo pentane 2,2-di methyl propane CH4 methane methane CH3-CH3 Ethane Ethane CH3-CH2-CH3 Propane Propane Alkenes Structure Common name IUPAC name CH2=CH2 Ethylene Ethene CH3-CH=CH2 Propylene Propene CH3-CH2-CH=CH2 Unsym butylene 1-butene CH3-CH=CH-CH3 Sym butene 2-butene Aldehydes Ketones Alkynes Carboxylic acids Structure Common name IUPAC name H-C≡C-H Acetylene Ethyne CH3-C≡C-H CH3-CH2-C≡C-H CH3-C≡C-CH3 Methyl acetylene/ Propylene Ethyl acetylene/ Butylene Di methyl acetylene Butylene Propyne 1-butyne 2-butyne Alcohols Structure Common name IUPAC name HCOOH Formic acid Methanoic acid CH3COOH Acetic Acid Ethanoic acid CH3-CH2COOH Propionic acid Propanoic acid CH3-CH2-CH2-COOH n-butyric acid Butanoic acid Esters Structure Common name IUPAC name H-CO-OCH3 Methyl formate Methyl methanoate Structure Common name IUPAC name CH3-CO-OCH2-CH3 Ethyl acetate CH3-OH Methyl alcohol Methanol Alkyl halides CH3-CH2-OH Ethyl alcohol Ethanol CH3-CH2-CH2-OH n- Propyl alcohol Propanol CH3-CH(OH)-CH3 iso-propyl alcohol 1-propanol Ethyl ethanoate Structure Common name IUPAC name CH3-Cl Methyl chloride Chloromethane CH3-CH2-Br Ethyl bromide Bromoehtane (By www.icsehelpline101.wordpress.com) Acid Chloride Other common names for compounds: Structure Common name IUPAC name C6H6(Benzene) H-COCl Formyl chloride Methanoyl chloride C6H5.OH (Phenol) CH3-COCl Acetyl chloride Ethanoyl chloride C6H5.NH2 ( Aniline) C6H5.CH3( Toluene) C6H5COOH(Benzoic acid) Acid amides C12H22O11(Sucrose) Structure Common name IUPAC name Many other compounds have names, still in use, which are H-CO-NH2 Formamide Methanamide not in connivance with IUPAC guidelines but accepted, e.g., CH3-CO-NH2 Acetamide Ethanamide Camphor, Naphthalene, Anthracene, Isoprene, etc Structure Common name IUPAC name CH3-NH2 Methyl amine Methanamine Secondary suffix indicates the functional group present in the compound. The functional groups are mentioned as follows: CH3-CH2-NH2 Ethyl amine Ethanamine Amines (Primary) Amines (Secondary) Structure Common name IUPAC name (CH3)2-NH Di methyl amine CH3-CH2-(CH3)-NH Ethyl methyl amine N-methylethanamine N-methyl methanamine Amines (Tertiary) Alcohol -ol Aldehyde -al Ketone -one Carboxylic acid -oic acid Ester -oate Acid chloride -oyl chloride Alkyl cyanide –nitrile, etc. (By www.icsehelpline101.wordpress.com) Structure Common name (CH3)3N Tri methyl amine CH3-CH2(CH3)2N IUPAC name N,N-dimethyl methanamine Ethyl dimethyl N,N-dimethyl amine ethanamine