Sindh MDCAT 2021 Chemistry#Classification of Organic Compounds#Fundamental Principles of Organic Chemistry1421Choose the best answerWhich one of the following is a heterocyclic compound:APyridineBPhenolCBenzeneDMethane Like 0 Discuss 0Share
Alkyl HalidesStereochemistry of SN2 Reaction1422Choose the best answerWhich statement is correct for an SN₂ reaction?ACarbocation rearrangement is common.BIt proceeds with inversion of configuration.CIt follows first-order kinetics.DWeak nucleophiles are always preferred. Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Percentage Yield#Stoichiometry1423Choose the best answerActual yield will reach the ideal (theoretical) value if the % yield of the reaction is, (KMU MDCAT 2024)A10%B50%C90%D100% Like 0 Discuss 0Share
SolidsMolecular Solids1424Choose the best answerSolid CO₂ is classified as a:AMolecular solidBIonic solidCCovalent-network solidDMetallic solid Like 0 Discuss 0Share
Fundamental Concepts of ChemistryChemical Changes1425Choose the best answerWhich is an example of a chemical change?ABoiling of waterBBurning of paperCEvaporation of waterDMelting of ice Like 0 Discuss 0Share