CH CH CH: CH-CH, CH-CH, CH-CH-CH,CH; CH-CH-CH,CH, CH CH一CH, CH: CH-CH CH; CH; correct seven-carbon chain,bt ly three substituents seven-carbon chain,four substituents Copyright2010 Pearson Prentice Hall,Inc
Solved Problem 4-1 Give a systematic (IUPAC)name for the following compound. CH CH-CH, CH,CH CH,一CH-CH一CH,-CH-CH CH,C一CH CH; Copyright2010 Pearsan Prentice Hall Ins
Solved Problem 4-1 Give a systematic (IUPAC) name for the following compound
Solved Problem 4-1:Solution The longest carbon chain contains eight carbon atoms,so this compound is named as an octane.Numbering from left to right gives the first branch on C2;numbering from right to left gives the first branch on C3,so we number from left to right. CH 8 CH-CH, CH,CH CH, CH-4CH-CH,-CH-CH CH CH: CH ce Hall,Inc. 4-isopropyl-2,2,3,6-tetramethyloctane
The longest carbon chain contains eight carbon atoms, so this compound is named as an octane. Numbering from left to right gives the first branch on C2; numbering from right to left gives the first branch on C3, so we number from left to right. Solved Problem 4-1: Solution 4-isopropyl-2,2,3,6-tetramethyloctane
0不年 SEC 1 Physical Properties Solubility:hydrophobic Density:less than 1 g/mL Boiling points increase with increasing carbons (little less for branched chains). Melting points increase with increasing carbons(less for odd-number of carbons)
SEC 1 Physical Properties Solubility: hydrophobic Density: less than 1 g/mL Boiling points increase with increasing carbons (little less for branched chains). Melting points increase with increasing carbons (less for odd-number of carbons)
0t女车 Boiling Points of Alkanes Branched alkanes have less surface area contact,so weaker intermolecular forces. 400 300 CH3一(CH2)m-CH 200 uod n-alkanes 100 CH3 3um!oq 0 CH-(CH2)CH3 -100 isoalkanes CH3 -200 0 5 10 15 20 number of carbon atoms
Boiling Points of Alkanes Branched alkanes have less surface area contact, so weaker intermolecular forces