Chemistry of HydrocarbonsActivating and Deactivating Groups26Choose the best answerThe correct order of ring activation toward electrophilic substitution is:AAniline > Phenol > BenzeneBBenzene > Phenol > AnilineCPhenol > Benzene > AnilineDBenzene > Aniline > Phenol Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Chemistry of Hydrocarbons#Cracking27Choose the best answerCracking is a process used to increase the quantity of petrol (gasoline) from which source? (MDCAT Reconduct 2023)ACrude oilBCoalCBiomassDNatural gas Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Chemistry of Hydrocarbons#Reforming28Choose the best answerQ.115 Reforming:AIncreases knocking of internal combustion engineBIncreases octane numberCMore is the knocking, better is the fuelDTo produce a fuel of less octane number Like 0 Discuss 0Share
Chemistry of HydrocarbonsReactivity in Electrophilic Aromatic Substitution29Choose the best answerWhich compound is least reactive toward electrophilic bromination of the aromatic ring?ANitrobenzeneBPhenolCAnisoleDChlorobenzene Like 0 Discuss 0Share
Chemistry of HydrocarbonsOxidation of Alkenes with KMnO₄30Choose the best answerPropene reacts with cold dilute alkaline KMnO₄ to form:APropaneBPropan-1-olCPropane-1,2-diolDPropanone Like 0 Discuss 0Share