Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Common and IUPAC Names881Choose 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 Electrode882Choose 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 Hydrocarbons883Choose 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
Chemical KineticsPseudo-First-Order Reactions884Choose the best answerUnder usual acid-catalysed conditions, inversion of sucrose behaves as a:AZero-order reactionBPseudo-first-order reactionCSecond-order reactionDThird-order reaction Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Hess's Law#Thermochemistry & Thermodynamics885Choose the best answerQ.105 Reaction taking place in one step or in several steps have same ΔH, it is statement of:ALussac's law of combining volumeBHess's lawCBoyle's lawDCharles's law Like 0 Discuss 0Share