LiquidsHydrogen Bonding86Choose the best answerNH₃ has an anomalously high boiling point compared with PH₃ and AsH₃ mainly because NH₃:AForms intermolecular hydrogen bondsBIs ionicCHas the greatest molar massDHas no lone pair Like 0 Discuss 0Share
LiquidsVapour Pressure and Volatility87Choose the best answerWhich substance has the highest vapour pressure among the following when each is maintained in the liquid state at the same temperature?ALiquid NH₃BAcetoneCH₂ODHF Like 0 Discuss 0Share
LiquidsVapour Pressure and Intermolecular Forces88Choose the best answerWhich liquid has the lowest vapour pressure at 25°C?ADiethyl etherBAcetoneCWaterDEthanol Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Anomalous Expansion of Water#Liquids89Choose the best answerWhen water freezes, its volume changes by about ___ and its density ___.A9%, increasesB12%, decreasesC9%, decreasesD12%, increases Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Liquids#Vapour Pressure90Choose the best answerWhich of the following has the lowest vapour pressure at 20°C? (Sindh MDCAT 2020)ADiethyl etherBChloroformCCarbon tetrachlorideDWater Like 0 Discuss 0Share