MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Buckminsterfullerene#S- and P-Block Elements2611Choose the best answerThe number of five-membered and six-membered rings in Buckyball are respectively:A40 and 20B12 and 12C5 and 15D12 and 20 Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Aldehydes and Ketones#Carbonyl Compounds2612Choose the best answerPropanal and propanone are examples of:APosition isomersBChain isomersCMetamersDFunctional isomers Like 0 Discuss 0Share
Chemical KineticsOrder of Reaction2613Choose the best answerFor a first-order reaction, which statement about its half-life is correct?AIt increases as the reaction proceedsBIt decreases with timeCIt remains constant during the reactionDIt depends directly on the initial concentration Like 3 Discuss 0Share
StoichiometryLimiting Reagent2614Choose the best answerA limiting reactant is the reactant that:AAlways has the smaller initial massBProduces the smallest possible amount of productCRemains unused after the reactionDDoes not affect product formation Like 0 Discuss 0Share
Atomic StructureBohr Radius2615Choose the best answerThe radius of the first Bohr orbit of hydrogen is 0.53 Å. What is the radius of its third Bohr orbit?A0.79 ÅB1.59 ÅC3.18 ÅD4.77 Å Like 0 Discuss 0Share