CHEMISTRY · Single correct · A Level · Chemistry · Bonding · Bonding
Problem
Four molecular liquids are listed below, each at 25 °C and 1 atm.
(a) II, because it can form hydrogen bonds through its oxygen atom, giving the strongest intermolecular attractions
(b) I, because its greater molar mass leads to the strongest London dispersion forces and thus the highest viscosity
(c) IV, because it both forms hydrogen bonds and has the longest carbon chain among the four liquids
(d) III, because hydrogen bonding dominates and any effect of chain length is negligible