LiquidsDipole–Dipole Forces86Choose the best answerDipole–dipole attractions occur mainly between:ANoble-gas atomsBPolar moleculesCNonpolar molecules onlyDMetal ions only Like 0 Discuss 0Share
LiquidsLondon Dispersion Forces87Choose 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
LiquidsVolatility88Choose the best answerWhich liquid is the most volatile?ADiethyl etherBWaterCEthanolDEthylene glycol Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Liquids#Vapour Pressure89Choose the best answerAccording to Raoult's law, the relative lowering of vapor pressure is equal to:AMole fraction of soluteBMole fraction of solventCMolarityDMolality Like 0 Discuss 0Share
LiquidsExtent of Hydrogen Bonding90Choose the best answerWhich substance shows the least extensive hydrogen bonding among the following?ANH₃BEthanolCH₂ODHF Like 0 Discuss 0Share