Fundamental Principles of Organic ChemistryPositional Isomerism1111Choose the best answerWhich pair represents positional isomerism?APentane and 2-MethylbutaneBBut-1-ene and But-2-eneCEthanol and Dimethyl etherDPropanone and Propanal Like 0 Discuss 0Share
Aldehydes and KetonesAcetal Formation1112Choose the best answerAldehydes react with excess alcohol in the presence of dry HCl to form:AEthersBAcetalsCEstersDKetals Like 0 Discuss 0Share
Chemical BondingElectronegativity Difference and Bond Type1113Choose the best answerTwo elements have electronegativity values of 1.2 and 3.0. The bond between them is most likely:AIonicBCovalentCCoordinate covalentDMetallic Like 0 Discuss 0Share
ElectrochemistryElectrochemical Series1114Choose the best answerStandard electrode potentials in the electrochemical series are arranged relative to the:ApH scaleBpKa scaleCpOH scaleDHydrogen reference scale Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#First Law of Thermodynamics#Thermochemistry & Thermodynamics1115Choose the best answerWhat is the mathematical statement of the first law of thermodynamics? (MDCAT 2023)AΔE = q + wBΔE = −q − wCΔE = −q + wDΔE = q − w Like 0 Discuss 0Share