LiquidsLondon Dispersion Forces56Choose the best answerHydrides of Group 14 generally have relatively low boiling points because they:ADo not form significant hydrogen bondingBAre ionic compoundsCHave permanent ionic chargesDContain O–H bonds Like 0 Discuss 0Share
LiquidsIntermolecular Forces and Boiling Point57Choose the best answerWhich gas has the highest boiling point?AH₂BSO₂CHeDCO₂ Like 0 Discuss 0Share
LiquidsVan der Waals Forces58Choose the best answerIn the broad terminology used by the source, intermolecular attractions are collectively called:AVan der Waals forcesBCohesive bondsCLondon forces onlyDAdhesive forces Like 0 Discuss 0Share
LiquidsEvaporation and Cooling59Choose the best answerWhich statement about evaporation is incorrect?AIt is spontaneousBIt raises the temperature of the remaining liquidCIt causes coolingDIt increases with surface area Like 0 Discuss 0Share
LiquidsLiquid–Vapour Equilibrium60Choose the best answerAt the boiling point, the liquid and its vapour in equilibrium have the same:AAverage kinetic energyBPotential energyCMolecular separationDIntermolecular-force strength Like 0 Discuss 0Share