LiquidsLondon Dispersion Forces111Choose the best answerThe force of attraction between helium atoms is mainly:AHydrogen bondingBCovalent bondingCDipole–dipole attractionDLondon dispersion force Like 0 Discuss 0Share
LiquidsVapour Pressure112Choose the best answerWhich statement is incorrect?AEvaporation can occur spontaneouslyBEvaporation is a surface phenomenonCVapour pressure decreases as temperature increasesDA non-volatile solute can lower the vapour pressure of a solvent Like 0 Discuss 0Share
LiquidsVapour Pressure of Water113Choose the best answerAt 100°C, the vapour pressure of water is:A260 mmHgB760 mmHgC1074 mmHgD1489 mmHg Like 0 Discuss 0Share
LiquidsLatent Heat of Condensation114Choose the best answerWhich causes a more severe burn at the same contact conditions?AWater at 20°CBWater at 80°CCWater at 100°CDSteam at 100°C Like 0 Discuss 0Share
LiquidsLondon Dispersion Forces115Choose the best answerWhich substance has the strongest intermolecular forces?AH₂BI₂CCl₂DCH₄ Like 0 Discuss 0Share