StoichiometryGas Volume and Number of Moles3261Choose the best answerWhich sample contains the minimum number of moles at STP (273 K and 1 atm)?A1 dm³ CH₄B5 dm³ HeC10 dm³ H₂D22.4 dm³ Cl₂ Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#First Law of Thermodynamics#Thermochemistry & Thermodynamics3262Choose the best answerWhat is ΔH equal to according to the first law of thermodynamics? (MDCAT 2023)AΔE − PΔVBΔE + PΔVC−ΔE − PΔVD−ΔE + PΔV Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Geometrical Isomerism#Isomerism3263Choose the best answerWhat is another name for cis-trans isomerism?AOptical isomerismBChain isomerismCGeometrical isomerismDFunctional isomerism Like 0 Discuss 0Share
Periodic TableGroup 13 Electronegativity Trend3264Choose the best answerThe electronegativity trend in Group 13 becomes irregular below aluminium mainly because of:APoor shielding by inner d- and f-electronsBA decrease in nuclear chargeCRemoval of occupied electron shellsDPerfect shielding by inner electrons Like 4 Discuss 0Share1
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Atomic Structure#Quantum Numbers3265Choose the best answerThe Magnetic quantum number of 4f orbital would be: (IBA MDCAT Reconduct 2024)A−2, −3, −1, 0, +2, +3, +1, +4B−2, −3, −1, 0, +2, +3, +1C−3, −4, −2, −1, 0, +4, +3, +2, +1D−3, −2, −1, 0, +1, +2, +3 Like 0 Discuss 0Share