MDCAT Chemistry Past Paper 2023#Chemical Kinetics#Order of Reaction516Choose the best answerWhat is the order of reaction if the unit of K is sec⁻¹? (MDCAT 2023)AOneBTwoCThreeDZero Like 0 Discuss 0Share
Chemistry of HydrocarbonsDirective Influence of Substituents517Choose the best answerWhich of the following is NOT a meta-directing group?A–CHOB–COOHC–NO₂D–CH₃ Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Percentage Yield#Stoichiometry518Choose the best answerHeating 24.8g of copper carbonate (CuCO₃) in a crucible produced only 13.9g of copper oxide (CuO). What is the percentage yield of copper oxide? (KMU MDCAT 2024)A81.79%B83.98%C86.87%D89.68% Like 0 Discuss 0Share
Atomic StructureRutherford's Atomic Model519Choose the best answerRutherford's α-particle scattering experiment showed that an atom contains:AOnly electronsBOnly protonsCA small, dense, positively charged nucleusDNeutrons distributed throughout the atom Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Isomerism#Position Isomerism520Choose the best answerWhich pair does NOT show position isomerism?ABut-1-ene and but-2-eneBPropan-1-ol and propan-2-olC1-Chloropropane and 2-chloropropaneDButane and 2-methylpropane Like 0 Discuss 0Share