Aldehydes and KetonesClemmensen Reduction2806Choose the best answerEthanal can be converted into ethane in a single step using:ANa–Hg/H₂OBZn(Hg)/concentrated HClCAluminium isopropoxide in isopropyl alcoholDLiAlH₄/ether Like 0 Discuss 0Share
Alkyl HalidesStereochemistry of SN1 Reaction2807Choose the best answerPartial racemization in an SN₁ reaction occurs because:AThe nucleophile attacks only from the leaving-group side.BThe carbocation is tetrahedral.CThe nucleophile can attack both faces of the planar carbocation, often with greater attack from the less hindered opposite face.DThe nucleophile cannot approach the carbocation. Like 0 Discuss 0Share
Chemistry of HydrocarbonsOxidation of Alkynes with KMnO₄2808Choose the best answerUnder the oxidation conditions used in the source, ethyne reacts with Baeyer's reagent to form:AEthaneBEthanedioic acidCEthanolDEthene Like 4 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Haber Process#Industrial Chemistry2809Choose the best answerWhich of the following conditions is required for the maximum yield of ammonia through Haber's process? (MDCAT 2023)AIncreasing temperatureBDecreasing concentration of reactantCDecreasing pressureDDecreasing temperature Like 0 Discuss 0Share
Chemical BondingHybridization2810Choose the best answerWhich molecule has an sp³-hybridized central atom in the simple hybridization model?APCl₅BSF₆CNH₃DHN=NH Like 0 Discuss 0Share