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How many and wgat are the Word roots of nomenclature in organic chemistry How many and wgat are the Word roots of nomenclature in organic chemistry
The word root represents the number of carbon atoms in the parent chain. For the chains upto four carbon atoms special word roots are used whereas for the chains containing more than four carbon atoms, Greek numerals (Table 1) are used. The word roots for different carbon chains are derived by leaving ‘ane’ from the name of carbon chain of respective molecule. Some unbranched Chains and their Names Name Number of Carbon Atoms Structure Methane 1 CH4 Ethane 2 CH3CH3 Propane 3 CH3CH2CH3 Butane 4 CH3(CH2)2CH3 Pentane 5 CH3(CH2)3CH3 Hexane 6 CH3(CH2)4CH3 Heptane 7 CH3(CH2)5CH3 Octane 8 CH3(CH2)6CH3 Nonane 9 CH3(CH2)7CH3 Decane 10 CH3(CH2)8CH3 Undecane 11 CH3(CH2)9CH3 Dodecane 12 CH3(CH2)10CH3 Tridecane 13 CH3(CH2)11CH3 Tetradecane 14 CH3(CH2)12CH3 Pentadecane 15 CH3(CH2)13CH3 Hexadecane 16 CH3(CH2)14CH3 Heptadecane 17 CH3(CH2)15CH3 Octadecane 18 CH3(CH2)16CH3 Nonadecane 19 CH3(CH2)17CH3 Eicosane 20 CH3(CH2)18CH3 Heneicosane 21 CH3(CH2)19CH3 Docosane 22 CH3(CH2)20CH3 Tricosane 23 CH3(CH2)21CH3 Triacontane 30 CH3(CH2)28CH3 Hentriacontane 31 CH3(CH2)29CH3 Tetracontane 40 CH3(CH2)38CH3 Pentacontane 50 CH3(CH2)48CH3 Hexacontane 60 CH3(CH2)58CH3 Heptacontane 70 CH3(CH2)68CH3 Octacontane 80 CH3(CH2)78CH3 Nonacontane 90 CH3(CH2)88CH3 Hectane 100 CH3(CH2)98CH3 The word root of one carbon chain is obtained by leaving anefrom methane i.e., meth–and similarly for others e.g. C1 Methane Meth- C2 Ethane Eth-
Dear student Please rfer the link below https://www.askiitians.com/iit-jee-chemistry/organic-chemistry/iupac-and-goc/nomenclature-of-organic-compounds.aspxGood Luck
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