LiquidsHydrogen Bonding and Boiling Point81Choose the best answerWhich order of boiling points is correct?AH₂O > HF > HCl > NH₃BH₂O > HF > NH₃ > HClCHF > H₂O > HCl > NH₃DNH₃ > H₂O > HF > HCl Like 0 Discuss 0Share
LiquidsEnthalpy of Vaporization82Choose the best answerThe enthalpy of vaporization of water at approximately 298 K is closest to:A79 kJ mol⁻¹B44 kJ mol⁻¹C28 kJ mol⁻¹D10 kJ mol⁻¹ Like 0 Discuss 0Share
LiquidsHydrogen Bonding and Boiling Point83Choose the best answerWhich order of boiling points is correct?AH₂O > HF > HCl > NH₃BHF > H₂O > HCl > NH₃CH₂O > HF > NH₃ > HClDHF > H₂O > NH₃ > HCl Like 0 Discuss 0Share
LiquidsVapour Pressure84Choose the best answerWhich statement about vapour pressure is incorrect?AEvaporation is spontaneousBEvaporation is a surface phenomenonCVapour pressure decreases as temperature increasesDA solution containing a non-volatile solute may have lower vapour pressure than the pure solvent Like 0 Discuss 0Share
LiquidsHydrogen Bonding in HF and Water85Choose the best answerWhich statement best describes hydrogen bonding in HF and H₂O?AAn individual H-bond in HF can be very strong, but water forms a more extensive hydrogen-bonded networkBHF does not form hydrogen bondsCWater does not form hydrogen bondsDHF has a higher boiling point than water Like 0 Discuss 0Share