LiquidsDipole–Dipole Forces136Choose the best answerDipole–dipole attractions occur mainly between:ANoble-gas atomsBPolar moleculesCNonpolar molecules onlyDMetal ions only Like 0 Discuss 0Share
LiquidsLondon Dispersion Forces137Choose the best answerThe boiling points of noble gases increase down the group mainly because:AHydrogen bonding becomes strongerBIonic character increasesCLondon dispersion forces increaseDPermanent dipoles develop Like 0 Discuss 0Share
LiquidsVolatility138Choose the best answerWhich liquid is the most volatile?ADiethyl etherBWaterCEthanolDEthylene glycol Like 0 Discuss 0Share
LiquidsExtent of Hydrogen Bonding139Choose the best answerWhich substance shows the least extensive hydrogen bonding among the following?ANH₃BEthanolCH₂ODHF Like 0 Discuss 0Share
LiquidsPhase Changes140Choose the best answerThe reverse process of vaporization is:ASublimationBFusionCCondensationDFreezing Like 0 Discuss 0Share