StoichiometryMass–Mass Stoichiometry846Choose the best answerWhat mass of CaCO₃ is required to produce 2.8 g CaO? CaCO₃ → CaO + CO₂A2.5 gB5.0 gC10 gD50 g Like 0 Discuss 0Share
Alkyl HalidesE2 Elimination847Choose the best answerWhich is NOT a characteristic of an E2 reaction?AOne-step mechanismBStrong base is generally requiredCCarbocation rearrangement occursDSecond-order kinetics Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Common and IUPAC Names848Choose the best answerWhat is the IUPAC name of the compound commonly called vinyl ethylene?ABut-2-yneBCyclobuteneCBut-2-eneDButa-1,3-diene Like 11 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode849Choose the best answerSHE acts as an anode with Cu but as a cathode with Zn because:AZn has a lower E°red than H⁺/H₂, while Cu has a higher E°redBZn has a higher E°red than CuCCu has a lower E°red than ZnDHydrogen always acts only as an anode Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Alkenes#Chemistry of Hydrocarbons850Choose the best answerWhen an unsymmetrical alkene undergoes addition reactions, the negative part of attacking reagent is added to that double-bonded carbon atom which contains:AHighest number of chloride atomsBLesser number of hydrogen atomsCHighest number of hydrogen atomsDModerate number of hydrogen atoms Like 0 Discuss 0Share