MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Atomic Mass Unit#Stoichiometry281Choose the best answer1 atomic mass unit is approximately equal to: (IBA MDCAT Reconduct 2024)A1.66 × 10⁻²⁴ kgB9.11 × 10⁻³¹ kgC1.66 × 10⁻²⁷ kgD1.67 × 10⁻²⁷ g Like 0 Discuss 0Share
LiquidsEvaporation282Choose the best answerA molecule can evaporate from a liquid surface when it:AHas sufficient kinetic energy to overcome intermolecular attractionsBHas zero kinetic energyCBecomes ionicDLoses all molecular motion Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and VSEPR Theory283Choose the best answerH₂S has a molecular geometry most similar to:ASnCl₃BCO₂CCS₂DH₂O Like 0 Discuss 0Share
Chemical BondingBonding Electrons284Choose the best answerThe number of bonding electrons around phosphorus in PH₃ is:A8B12C3D6 Like 0 Discuss 0Share
Carboxylic AcidsReduction to Primary Alcohols285Choose the best answerCarboxylic acids are most effectively reduced to primary alcohols by:AH₂/PdBLiAlH₄CNaBH₄DHI/red phosphorus Like 0 Discuss 0Share