Chemistry of HydrocarbonsActivating and Deactivating Groups1041Choose the best answerThe correct order of ring activation toward electrophilic substitution is:AAniline > Phenol > BenzeneBBenzene > Phenol > AnilineCPhenol > Benzene > AnilineDBenzene > Aniline > Phenol Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Electron Domains1042Choose the best answerWhich pair has both the same molecular shape and the same number of electron domains around the central atom?ABeCl₂ and SnCl₂BSnCl₂ and SO₂CSO₂ and OF₂DOF₂ and BeCl₂ Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Benzene & Aromatic Compounds#Oxidation of Benzene1043Choose the best answerWhich of the following produces Maleic anhydride on oxidation? (MDCAT 2023)AAcetyleneBPhenolCTolueneDBenzene Like 0 Discuss 0Share
GasesPressure Units1044Choose the best answerThe SI unit of pressure is:ATorrBPascal (Pa)CmmHgDAtmosphere Like 0 Discuss 0Share
Basic Concepts of ChemistryPhysical and Chemical Changes1045Choose the best answerWhich of the following are chemical processes? 1. Rusting of a nail 2. Freezing of water 3. Decomposition of water into hydrogen and oxygen 4. Compression of oxygen gasA2, 3 and 4B1, 3 and 4C1 and 3D1 and 2 Like 0 Discuss 0Share