Which of the following structure has a higher boiling point? CH3 A. H3C-CH-CH2-CH2 А. НС-СH B. H3C-CH2-CH2-CH2-CH3

Rank the following molecules in order of increasing boiling point? PCI3 CF4 CS2 C2 SO2

Which compound has the WEAKEST intermolecular forces? A. OH B. C. D. E.

The dTH_vap is related to the strength of intermolecular forces. Which of following has the lowest dtH_Vap? a. CH3-CH2- CH2-NH2• b. CH3-CH2-CH2-CH2-CH2-CH2-CH2-CH3• c. CH3-CH2-CH2-CH2-CH2-CH3• d. CH3-CH2-CHе. СН3-СН2- CH2-OH

888 Consider the structures in the image. Which molecule will have the highest boiling point? H2 CH3 H2 H2 C CH3 H3C H2 A) A A В В) В C) С H2 H2 H2 H3C-Cc-CH3 CH2 CH3 H3c-C c-CC H2 CH2 D) D C étv A P 吕口 F3 888 F4 esc FI F2 FS F8 F9 FI0 23 $ % & * del 2 3 4 5 6 7 8 %3D Q W E R Y

Which of the following will have the highest boiling point? A. C3H8 B. C5H12 C. C6H14 D. CH4

Which one of the following can form hydrogen bonds? a. H2S b. HCl c. N(CH3)3 d. HN(CH3)2 e. CH3-O-CH3

Why does water have a higher boiling point and lower vapor pressure than comparably sized molecules such a s dimethyl ether (CH3-O-CH3) or N2

Please

Exercises: 1. Identify the functional group in each of the following molecules. Then give an acceptable name for each molecule. H₂ H3C C-CH3 H₂ H3C-CO-CH2CH3 H₂ H₂ H₂ H3CC-CO H₂ OH H3C-NC-CH2CH3 2. Which of the molecules in Exercise 1 will exhibit hydrogen bonding?