MDCAT Chemistry Past Papers Reconduct 2023#Metallic Solids#Solids1211Choose the best answerWhich of the following types of solids possesses the characteristics of malleability, ductility, electrical conductivity, and thermal conductivity? (MDCAT Reconduct 2023)AIonic solidsBMetallic solidsCCovalent solidsDIonic solids Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Structure#Isotopes1212Choose the best answerA sample contains 51 atoms of bromine-79 and 49 atoms of bromine-81. What does this show?ASome bromine atoms are unstableBBromine has two different nucleon numbersCBromine has two different proton numbersDBromine-81 has 2 additional electrons than bromine-79 Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Planarity1213Choose the best answerWhich molecule is not planar?ABenzeneBPCl₃CEtheneDBF₃ Like 0 Discuss 0Share
Aldehydes and KetonesPreparation by Ozonolysis of Alkenes1214Choose the best answerWhich alkene gives propanal and propanone on reductive ozonolysis?ACH₃CH₂CH=C(CH₃)₂BCH₃CH₂CH=CHCH₂CH₃CCH₃CH₂CH=CHCH₃D(CH₃)₂C=CHCH₃ Like 0 Discuss 0Share
StoichiometryPercentage Yield1215Choose the best answerIf actual yield is 15 g and theoretical yield is 20 g, what is the percentage yield?A50%B75%C80%D90% Like 0 Discuss 0Share