UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Carboxylic Acids#Preparation of Acyl Chlorides1176Choose the best answerMr. Khan mix acetic acid with thionyl chloride. Which product is obtained? (UHS MDCAT 2023)ACH₃COO + SO₂ + HClBCH₃Cl + CH₃COClCCH₃COOCH₃ + SO₂DCH₃COCl + SO₂ + HCl Like 1 Discuss 0Share
Chemical BondingCoordinate Covalent Bonding1177Choose the best answerWhich type of bond is NOT present in NH₄Cl?AIonic bondBCoordinate covalent bondCCovalent bondDDelocalized covalent bond Like 0 Discuss 0Share
Atomic StructureQuantum Numbers1178Choose the best answerWhich set of quantum numbers is NOT allowed?An = 1, ℓ = 2, mℓ = 0, mₛ = +½Bn = 3, ℓ = 2, mℓ = +1, mₛ = +½Cn = 3, ℓ = 0, mℓ = 0, mₛ = −½Dn = 3, ℓ = 2, mℓ = +2, mₛ = +½ Like 0 Discuss 0Share
StoichiometryGas Volume Stoichiometry1179Choose 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
Chemical BondingOrbital Overlap and Sigma Bonds1180Choose the best answerWhich molecule contains a single bond formed by p–p orbital overlap?AH₂BF₂CHFDHCl Like 0 Discuss 0Share