Atomic StructureAzimuthal Quantum Number526Choose the best answerThe quantum number that primarily determines the shape of an orbital is:APrincipal quantum number, nBAzimuthal quantum number, ℓCMagnetic quantum number, mℓDSpin quantum number, mₛ Like 0 Discuss 0Share
Chemical KineticsForward and Reverse Activation Energies527Choose the best answerIf Ef and Er are the activation energies of the forward and reverse reactions, respectively, and the forward reaction is exothermic:AEf > ErBEf < ErCEf = ErDNo relationship exists Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Gases#Plasma528Choose the best answerThe technology used in TVs and computers that involves the use of ionized gases is known as: (MDCAT Reconduct 2023)APlasmaBCRT (Cathode Ray Tube)CLCD (Liquid Crystal Display)DLED (Light Emitting Diode) Like 2 Discuss 0Share
Chemical KineticsFirst-Order Reactions529Choose the best answerWhich of the following is commonly cited as an example of a first-order reaction?AH₂ + Cl₂ → 2HClBNH₄NO₂ → N₂ + 2H₂OC2HI → H₂ + I₂D2NO + Cl₂ → 2NOCl Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryFossil Fuels530Choose the best answerWhich row is incorrect?ANatural gas — MethaneBLPG — Propane and butaneCCoke — HydrogenDCoal gas — H₂, CH₄ and CO Like 0 Discuss 0Share