SolidsStructure and Hardness of Diamond1261Choose the best answerDiamond is extremely hard because it contains:AWeak intermolecular forcesBA strong three-dimensional covalent networkCFree electrons between layersDA layered structure Like 0 Discuss 0Share
GasesCombined Gas Law1262Choose the best answerIf the pressure of a gas is halved and its absolute temperature is doubled, its volume becomes:AFour timesBTwo timesCUnchangedDEight times Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species1263Choose the best answerWhich pair is isoelectronic?ACO₂ and NO₂BNO₂⁻ and CO₂CCN⁻ and CODSO₂ and CO₂ Like 0 Discuss 0Share
Chemistry of HydrocarbonsNitration of Benzene1264Choose the best answerThe electrophile in nitration of benzene is:ANO₂⁺BNO₃⁻CNH₂⁺DOH⁻ Like 1 Discuss 0Share
UHS MDCAT 2024 Chemistry#Geometrical Isomerism#Isomerism1265Choose the best answerWhich type of isomerism is displayed by compounds having same structural formula but different position of atoms on both sides of carbon bond?AChainBMetamerismCGeometricDTautomerism Like 2 Discuss 0Share2