Chemistry of HydrocarbonsFriedel–Crafts Reactions3311Choose the best answerThe main function of anhydrous AlCl₃ in a Friedel–Crafts reaction is to:AAbsorb water onlyBAbsorb HCl onlyCGenerate the electrophileDGenerate a nucleophile Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Liquids#Surface Tension3312Choose the best answerThe phenomenon of a free-falling drop of water maintaining a spherical shape is attributed to: (MDCAT Reconduct 2023)AViscosityBCapillarityCSurface tensionDCohesion Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryStability of Geometrical Isomers3313Choose the best answerWhich is generally more stable?Acis-2-ButeneBtrans-2-ButeneCBoth are equally stableDStability depends only on temperature Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Bonding#Hybridization3314Choose the best answerWhich of the following hybrid orbitals has maximum 's'-character? (Sindh MDCAT 2020)Asp³-hybrid orbitalBsp²-hybrid orbitalCsp-hybrid orbitalDdsp²-hybrid orbital Like 0 Discuss 0Share
Chemical BondingBond Length3315Choose the best answerThe approximate C=C bond length in propene, C₃H₆, is:A154 pmB120 pmC133 pmD105 pm Like 0 Discuss 0Share