SolidsElectrical Conductivity of Ionic Solids471Choose the best answerSolid NaCl is a poor electrical conductor because:AIt contains no ionsBIt is covalentCIts ions are fixed in the latticeDIt contains no electrons at all Like 0 Discuss 0Share
Atomic StructureAufbau Principle and Orbital Energy472Choose the best answerWhich set of quantum numbers represents the highest-energy orbital?An = 4, ℓ = 0, mℓ = 0, mₛ = +½Bn = 3, ℓ = 0, mℓ = 0, mₛ = +½Cn = 3, ℓ = 1, mℓ = +1, mₛ = +½Dn = 3, ℓ = 2, mℓ = +1, mₛ = +½ Like 0 Discuss 0Share
StoichiometryGas Volume Stoichiometry473Choose the best answerWhat volume of O₂ is required for complete oxidation of 4 L CO at the same temperature and pressure? 2CO + O₂ → 2CO₂A4 LB8 LC2 LD1 L Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Arenes#Benzene & Aromatic Compounds474Choose the best answerSelect the organic compound which belongs to Arene family: (Sindh MDCAT 2020)ACH₂=CH₂BCH₃–O–CH₃CCH₃–NH₂DC₆H₆ Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Chemical Kinetics#Order of Reaction475Choose the best answerIn a zero order reaction, the rate is independent of: (Sindh MDCAT 2019)Atemperature of reactionBconcentration of reactionCconcentration of productsDcatalyst used Like 0 Discuss 0Share