Chemical BondingMolecular Geometry1806Choose the best answerWhich pair has the same molecular shape?APH₃ and NH₃BBF₃ and PCl₃CH₂S and CO₂DSO₂ and CO₂ Like 8 Discuss 0Share1
Atomic StructureMass Spectrometry1807Choose the best answerIsotopes of an element are recorded separately by a:AMass spectrometerBSpectrophotometerCCalorimeterDIR spectrophotometer Like 0 Discuss 0Share
Periodic TableIonization Energy Exceptions1808Choose the best answerWhich pair correctly represents both exceptions in the first-ionization-energy trend of Period 2?ABe < B and N < OBBe OCBe > B and N > ODBe > B and N < O Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryGeneral Formulae of Hydrocarbons1809Choose the best answerWhich sequence correctly gives the general formulae of alkane, alkene, alkyne and alkyl group, respectively?ACₙH₂ₙ₊₂, CₙH₂ₙ, CₙH₂ₙ₋₂, CₙH₂ₙ₊₁BCₙH₂ₙ, CₙH₂ₙ₋₂, CₙH₂ₙ₊₂, CₙH₂ₙ₊₁CCₙH₂ₙ₊₂, CₙH₂ₙ₋₂, CₙH₂ₙ, CₙH₂ₙ₋₁DCₙH₂ₙ, CₙH₂ₙ₊₂, CₙH₂ₙ₋₂, CₙH₂ₙ₋₁ Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Bonding#Lattice Energy1810Choose the best answerThe lattice energy is also called as: (Sindh MDCAT 2020)AEnergy of affinityBBond energyCCrystal energyDPotential energy Like 0 Discuss 0Share