Atomic StructureMass Spectrometry1071Choose the best answerIsotopes of an element are recorded separately by a:AMass spectrometerBSpectrophotometerCCalorimeterDIR spectrophotometer Like 0 Discuss 0Share
Alkyl HalidesSN1 and SN2 Reactions1072Choose the best answerSecondary alkyl halides can undergo:ASN₁ onlyBSN₂ onlyCNeither SN₁ nor SN₂DBoth SN₁ and SN₂ depending on conditions Like 0 Discuss 0Share
GasesFree Expansion of an Ideal Gas1073Choose the best answerAn ideal gas undergoes free expansion into a vacuum. Its temperature does not decrease because ideal-gas molecules:AAre always above the inversion temperatureBHave no intermolecular attractive forcesCLose kinetic energy during collisionsDPerform maximum external work Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Chemical Bonding#Hybridization1074Choose the best answerQ.79 Ethene (H₂C = CH₂) has hybridization of C-atom:Adsp³BspCsp³Dsp² Like 0 Discuss 0Share
Chemistry of HydrocarbonsHistory of Benzene1075Choose the best answerBenzene was discovered by:ARamsayBDaltonCFaradayDPriestley Like 1 Discuss 0Share