LiquidsVapour Pressure101Choose 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 Water102Choose 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
BUMHS MDCAT 2025 Chemistry#Liquids#Vapour Pressure103Choose the best answerWhich of the following has lower vapour pressure? (BUMHS MDCAT 2025)ACHCl₃BCCl₄CH₂ODCH₃COCH₃ Like 1 Discuss 0Share
LiquidsHydrogen Bonding and Solubility104Choose the best answerEthanol dissolves readily in water mainly because of:ADipole-induced dipole forces onlyBHydrogen bondingCIonic bondingDMetallic bonding Like 0 Discuss 0Share
LiquidsIntermolecular Forces in Hydrocarbon Mixtures105Choose the best answerWhich liquid mixture is expected to have relatively weak intermolecular attractions compared with water and ethanol?AGas oilBWaterCEthanolDGasoline Like 0 Discuss 0Share