Atomic StructureQuantum Numbers1026Choose the best answerThe four quantum numbers for the valence electron of sodium, Z = 11, may be represented as:An = 2, ℓ = 1, mℓ = −1, mₛ = −½Bn = 3, ℓ = 0, mℓ = 0, mₛ = +½Cn = 3, ℓ = 2, mℓ = −2, mₛ = −½Dn = 3, ℓ = 2, mℓ = +2, mₛ = +½ Like 0 Discuss 0Share
LiquidsSpecific Intermolecular Interactions1027Choose the best answerAcetone and chloroform show strong specific attraction mainly because:AAn intermolecular hydrogen bond can form between CHCl₃ and the carbonyl oxygen of acetoneBBoth are ionicCBoth are nonpolarDMetallic bonds form between them Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryOctane Number and Anti-Knock Agents1028Choose the best answerIn leaded petrol, lead deposits in the engine were historically reduced by adding:AEthyl bromideBEthylene dibromideCEthylene dichlorideDMethane Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Bond Angles#Chemical Bonding1029Choose the best answerWhich molecule has the smallest bond angle?APCl₃BNCl₃CAsCl₃DSbCl₃ Like 0 Discuss 0Share
Atomic StructureIsotopes1030Choose the best answerNuclei of isotopes differ in:ANumber of protonsBNumber of neutronsCNumber of protons and neutrons bothDNone of these Like 0 Discuss 0Share