Chemistry of HydrocarbonsMarkovnikov Addition126Choose the best answerAccording to Markovnikov's rule, when HX adds to an unsymmetrical alkene, H generally attaches to the carbon that:AHas fewer hydrogen atomsBHas more hydrogen atomsCIs bonded to the halogenDHas no carbon substituent in every case Like 1 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Alkenes#Chemistry of Hydrocarbons127Choose the best answerDehydration of Ethanol produces:AEthyneBEthaneCEtheneDWater gas Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Alkenes#Chemistry of Hydrocarbons128Choose the best answerWhich of the following reaction is the characteristic of alkene? (BUMHS MDCAT 2025)AElectrophilic additionBNucleophilic substitutionCFree radical substitutionDElimination Like 0 Discuss 0Share
Chemistry of HydrocarbonsFriedel–Crafts Reactions129Choose 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
Chemistry of HydrocarbonsHydration of Alkynes130Choose the best answerThe immediate product formed during acid-catalysed hydration of an alkyne is:AAlkaneBEnolCAlkyl halideDEther Like 1 Discuss 0Share