GasesFree Expansion of an Ideal Gas1036Choose 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#Hybridization1037Choose the best answerQ.79 Ethene (H₂C = CH₂) has hybridization of C-atom:Adsp³BspCsp³Dsp² Like 0 Discuss 0Share
Chemistry of HydrocarbonsHistory of Benzene1038Choose the best answerBenzene was discovered by:ARamsayBDaltonCFaradayDPriestley Like 1 Discuss 0Share
Atomic StructureIsobars1039Choose the best answerWhich pair represents isobars?A¹³₆C and ¹³₇NB¹³₆C and ¹⁴₇NC¹⁴₇N and ¹⁵₈OD¹³₇N and ¹⁵₈O Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Nomenclature of Organic Compounds#Organic Nomenclature1040Choose the best answerIUPAC name of (CH₃)₃CCH₂Br is:A1-bromopentaneB1-bromo-2,2,2-trimethylethaneC1-bromo-2,2-dimethylpropaneD2-bromopentane Like 0 Discuss 0Share