Alkyl HalidesGrignard Reaction with Esters426Choose the best answerAn acetate ester, CH₃COOR′, reacts with excess Grignard reagent followed by acidic hydrolysis to produce:APrimary alcoholBSecondary alcoholCTertiary alcoholDAldehyde Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Macromolecules#Polymers427Choose the best answerQ.93 Bakelite is polymer of:ATwo glucose moleculesBFormaldehyde & acetoneCTwo amino acid moleculesDFormaldehyde & phenol Like 0 Discuss 0Share
Periodic TableElectron Affinity428Choose the best answerWhich is the correct increasing order of electron-accepting tendency among the given Period 2 elements?AB < Li < C < O < FBLi < B < C < O < FCB < Li < O < C < FDLi < B < O < C < F Like 0 Discuss 0Share
Alkyl HalidesSN1 Reaction429Choose the best answerWhich is NOT a characteristic of an SN₁ reaction?AFirst-order kineticsBCarbocation intermediateCConcerted one-step mechanismDPossibility of carbocation rearrangement Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Subatomic Particles430Choose the best answerWhich particle has a mass closest to 1 amu?AOne electronBOne protonCOne carbon-12 atomDOne oxygen atom Like 0 Discuss 0Share