MDCAT Chemistry Past Papers Reconduct 2023#Halogens#S- and P-Block Elements1556Choose the best answerWhat is the process called when one or more hydrogen atoms of methane are replaced by halogen atoms? (MDCAT Reconduct 2023)AHalogenationBReductionCHydrogenationDOxidation Like 10 Discuss 0Share
Carboxylic AcidsPreparation of Acid Anhydrides1557Choose the best answerAcetic anhydride can be prepared from acetyl chloride by reaction with:AP₂O₅BH₂SO₄CCH₃COONaDCH₃COOH only Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Polyhydric Alcohols1558Choose the best answerThe IUPAC name of ethylene glycol is:AEthane-1,1-diolBEthane-1,2-diolCPropane-1,2-diolDEthane-1,3-diol Like 0 Discuss 0Share
Atomic StructureQuantum Numbers1559Choose the best answerWhich set of quantum numbers is impossible?An = 3, ℓ = 2, mℓ = 0, mₛ = −½Bn = 3, ℓ = 2, mℓ = −2, mₛ = −½Cn = 3, ℓ = 3, mℓ = −3, mₛ = −½Dn = 3, ℓ = 0, mℓ = 0, mₛ = −½ Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Activation Energy#Chemical Kinetics1560Choose the best answerWhich statement is correct for the energy-profile graph shown?AThe activation energy of the forward reaction is E₁ + E₂ and the product is more stable than the reactant.BThe activation energy of both forward and backward reactions is E₁ + E₂ and the reactant is more stable than the product.CThe activation energy of the backward reaction is E₁ and the product is more stable than the reactant.DThe activation energy of the forward reaction is E₁ + E₂ and the product is less stable than the reactant. Like 0 Discuss 0Share