UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Liquids#Surface Tension836Choose the best answerWhich of the following is NOT a characteristic property of liquids?ASurface tensionBViscosityCDiffusionDCleavage along definite planes Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Chemical Bonding#Sigma and Pi Bonds837Choose the best answerIn which compound is a σ bond formed by sp–sp³ hybrid-orbital overlap?ACH₃–C≡C–HBHC≡CHCCH₂=CH–CH=CH₂DCH₃–CH=CH–CH₃ Like 0 Discuss 0Share
LiquidsBoiling Point and External Pressure838Choose the best answerThe boiling point of a liquid increases when:AExternal pressure increasesBSurface area increasesCAmount of liquid increasesDContainer size increases Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Benzene & Aromatic Compounds#Friedel-Crafts Acylation839Choose the best answerAcetophenone can be formed by which of the following reaction of benzene? (Sindh MDCAT 2020)AAlkylationBAcylationCHalogenationDNitration Like 0 Discuss 0Share
LiquidsBoiling Point840Choose the best answerWhy does water have a much higher boiling point than hydrogen sulfide (H₂S)?AWater has a higher molar massBH₂S forms stronger covalent bondsCWater is less polarDWater molecules form strong hydrogen bonds Like 2 Discuss 0Share