MDCAT Chemistry Paper 2025#Liquids#Vapour Pressure21Choose the best answerWhich of the following is least volatile? (IBA MDCAT 2025)AGlycerolBWaterCAcetic acidDDiethyl ether Like 0 Discuss 0Share
LiquidsHydrogen Bonding and Boiling Point22Choose the best answerThe unusually high boiling point of water is mainly due to:AMolecular mass onlyBHydrogen bondingCDensityDNumber of hydrogen atoms only Like 0 Discuss 0Share
LiquidsRate of Evaporation23Choose the best answerWhich liquid has the lowest rate of evaporation at room temperature?ADiethyl etherBWaterCEthanolDGlycerol Like 0 Discuss 0Share
LiquidsAdhesive Forces24Choose the best answerAdhesive forces are attractions between:AMolecules of the same substance onlyBDifferent substances, such as a liquid and a surfaceCOnly nonpolar moleculesDOnly metal atoms Like 0 Discuss 0Share
LiquidsLondon Dispersion Forces and Boiling Point25Choose the best answerThe increasing order of boiling points of Group 14 hydrides is:ACH₄ < SiH₄ < GeH₄ < SnH₄BSnH₄ < GeH₄ < SiH₄ < CH₄CSiH₄ < CH₄ < SnH₄ < GeH₄DGeH₄ < SiH₄ < CH₄ < SnH₄ Like 0 Discuss 0Share