UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic Structure#Electronic Configuration1936Choose the best answerWhich of the following electronic configuration is correct for ²⁴Cr? (UHS MDCAT 2023)A1s², 2s², 2p⁶, 3s², 3p⁶, 4s¹, 3d⁵B1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d⁴C1s², 2s², 2p⁶, 3s², 3p⁶, 3d⁶D1s², 2s², 2p⁶, 3s², 3p⁶, 4f⁶ Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryGeneral Formulae and Functional Isomerism1937Choose the best answerWhich classes have the same general molecular formula? (1) Alcohol and ether (2) Aldehyde and ketone (3) Alkene and cycloalkaneA1, 2 and 3B1 and 3 onlyC2 and 3 onlyD1 and 2 only Like 0 Discuss 0Share
Benzene & Aromatic CompoundsBenzene Nitration1938Choose the best answerDuring the nitration of benzene, the electrophile that attacks the benzene ring is:ANO₃⁻BHNO₃CNO₂⁺DHSO₄⁻ Like 10 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc1939Choose the best answerWhich statement correctly relates Kc to the equilibrium composition?ALarge Kc → mostly reactantsBSmall Kc → mostly productsCModerate Kc → appreciable amounts of both reactants and productsDKc = 1 → reaction is necessarily complete Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Activation Energy#Chemical Kinetics1940Choose the best answerReactions having high activation energy are generally: (SZABMU MDCAT 2025)ASpontaneousBFastCSlowDAlways exothermic Like 2 Discuss 0Share