Fundamental Principles of Organic ChemistryGeneral Formulae of Functional Classes156Choose the best answerWhich sequence correctly gives the general formulae of alcohol, ether, aldehyde, ketone, ester and carboxylic acid, respectively?ACₙH₂ₙ₊₂O, CₙH₂ₙ₊₂O, CₙH₂ₙO, CₙH₂ₙO, CₙH₂ₙO₂, CₙH₂ₙO₂BCₙH₂ₙO, CₙH₂ₙ₊₂O, CₙH₂ₙO₂, CₙH₂ₙO, CₙH₂ₙO₂, CₙH₂ₙOCCₙH₂ₙ₊₂O, CₙH₂ₙO, CₙH₂ₙO, CₙH₂ₙ₊₂O, CₙH₂ₙO₂, CₙH₂ₙO₂DCₙH₂ₙ₊₂O, CₙH₂ₙ₊₂O, CₙH₂ₙ₊₂O, CₙH₂ₙO, CₙH₂ₙO₂, CₙH₂ₙO Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Percentage Yield#Stoichiometry157Choose the best answerWhen 4 g of magnesium was heated in excess of oxygen. Calculate the theoretical yield of magnesium oxide (MgO). (KMU MDCAT 2024)A3.7gB4.2gC5.4gD6.6g Like 0 Discuss 0Share
Atomic StructureQuantum Numbers158Choose the best answerFor the ground-state electron of hydrogen with mₛ = +½, the sum n + ℓ + mℓ + mₛ is:A3/2B3C2D2/3 Like 0 Discuss 0Share
Chemical BondingElectron-Pair Geometry and Molecular Shape159Choose the best answerWhich species has different molecular geometry and electron-pair geometry?ASO₃BSnCl₂CCO₂DBF₃ Like 0 Discuss 0Share
Aldehydes and KetonesReactivity Toward Nucleophilic Addition160Choose the best answerThe correct decreasing order of electrophilicity toward nucleophilic addition is:AMethanal > Ethanal > Propanone > BenzophenoneBEthanal > Methanal > Propanone > BenzophenoneCPropanone > Ethanal > Methanal > BenzophenoneDBenzophenone > Propanone > Ethanal > Methanal Like 0 Discuss 0Share