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    				| 1. | 
                                    Write the IUPAC name of the compound CH_3 -CH_2-CH_2-CH_2OH. | 
                            
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Answer» Solution : (a) There are 4 C atoms in the chain involving-OH group, therefore, the root word is .but.. (b) Only C-C bonds appear in the carbon chain, therefore, primary suffix is .ANE.. (c) There is -OH group at carbon 1 of the chain, therefore, secondary suffix is .l-ol.. Base name = root word + primary suffix = but + ane = butane Thus, the IUPAC name of the given COMPOUND is derived as: Butane named-e + Secondary suffix Butane -e + 1-ol - Butane-l-ol  | 
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