Therefore, there are stronger intermolecular forces between 1-propanol molecules than between 2-propanol molecules. Higher intermolecular forces -> more energy needed to pull molecules apart from each other to convert from a liquid state to gaseous, so a higher boiling point. 5. 25M subscribers in the askscience community. n20/D 1.399(lit.) Physical and Chemical Properties: Character camphor smell of colorless crystals, easy to cold, in the presence of a small amount of water is liquid. melting point 25.5 ℃ boiling point 82.5 ℃ relative density 0.7887 refractive index 1.3878 flash point 8.9 ℃ soluble in ethanol, ether, with water can form an azeotropic liquid is the temperature at which the vapor pressure of a liquid equals atmospheric pressure (1 atm). The boiling point of a liquid is a measure of its volatility. Propanol : 97-98 . 2-Propanol (isopropanol) 82-83 . Water : 100 . t-Butyl alcohol : 83 . Cyclohexane : 80.7 . Methylene dichloride : 40 . It can be physically distinguished from propan-1-ol by its comparatively pleasant odour and its bitter, instead of fruity taste. Chemically, propan-2-ol is a secondary alcohol and a structural isomer of propan-1-ol. Other notable properties include: Melting Point: -89°C; Boiling Point: 82.6°C; Molar Mass: 60.1 g/mol; Low rate of esterification The normal boiling point of 1-propanol is 97 oC. (a) Is the boiling of 1-propanol an endothermic or an exothermic process? This process is an ---Select--- endothermic or exothermic process? (b) In what temperature range is the boiling of 1-propanol a spontaneous process? This process is spontaneous ---Select--- at temperatures above, at. Propanol, CH3CH2CH2OH, has a molar mass of 60.1 g/mol and a boiling point of 97.4°C. Use intermolecular forces to explain why propanol has a higher boiling point than butane or acetone. Expert Solution. Trending now This is a popular solution! Step by step Solved in 2 steps with 2 images. 1-propanol, 2-methyl-isobutyl alcohol: Triple point temperature (Crystal 1, Liquid, and Gas) 4 experimental data points Boiling temperature (Liquid in equilibrium with Gas) as a function of Pressure Pressure from 7.41423e-008 kPa to 4298.5 kPa Phase boundary pressure (Liquid in equilibrium with Gas) as a function of Temperature Ethane-1,2-diol has a higher boiling point that ethanol. Similarly, propane-1,2,3-triol (1,2,3-propanetriol or glycerol) has 3 OH functional groups while propan-1-ol (1-propanol) has only 1 OH functional group. More OH functional groups means that more hydrogen bonds can form between molecules of propane-1,2,3-triol than can form between What is the approximate boiling point of l-propanol? 3 In which regions of the heating curve do the molecules begin moving faster (circle one): regions with upwards slope flat regions 4 In which regions of the curve are interactions between different molecules being broken2 regions with upwards slope flat regions Activity #4 - Page 1 . The FAB (Fast Atom Bombardment)-mass spectrometric ionization technique, which has now been available for about 1 year, has been successfully employed in forensic toxicology. The mass spectral behaviour of some representative drug-glucuronides (Codeine, p-Nitrophenol and 2-Phenyl-1-propanol) were studied by positive- AKJvrAr.