Fundamental Principles of Organic ChemistryMetamerism476Choose the best answerWhich statement correctly describes metamerism?AThe carbon skeleton changes without involving a polyvalent linking group.BOnly the position of the same functional group changes.CDifferent alkyl groups are attached on either side of the same polyvalent atom or functional group.DThe molecular formula changes. Like 0 Discuss 0Share
Alcohols and PhenolsFactors Affecting Acidity of Alcohols477Choose the best answerWhich factor generally decreases the acidity of an alcohol?AElectron-withdrawing groupsBIncreased alkyl branching around the –OH carbonCSmaller alkyl groupDGreater stabilization of the alkoxide ion Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Downs Cell#Electrochemistry478Choose the best answerQ.117 Down cell is for the:AMetallurgy of NaBMetallurgy of MgCMetallurgy of AlDMetallurgy of Fe Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Chemical Bonding#Lattice Energy479Choose the best answerWhich ionic compound has the highest lattice energy? (IBA MDCAT 2025)ALiFBNaClCKClDCsI Like 2 Discuss 0Share
Chemical EquilibriumPhysical Equilibrium480Choose the best answerWhich condition can represent a liquid–vapour equilibrium?AIce freezing in an open vesselBWater and its vapour present in a closed balloon at constant temperatureCWater boiling continuously in an open vesselDWater completely evaporating from an open dish Like 0 Discuss 0Share