Fundamental Principles of Organic ChemistryNomenclature of Carboxylic Acids1316Choose the best answerThe IUPAC name of oxalic acid is:AEthanedioic acidBPropanedioic acidCButanedioic acidDPentanedioic acid Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Atomic Structure#Bohr Model1317Choose the best answerThe maximum probability of finding an electron is at a distance of: (IBA MDCAT 2025)A0.53 nmB0.35 nmC0.053 nmD0.0053 nm Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Colours of Transition Compounds#Transition Elements1318Choose the best answerThis imparts green colour to glass:ACr₂O₃BCuOCCoODMnO₂ Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic and Molecular Mass1319Choose the best answerIf the molecular mass of X₂ is 50 u, what is the atomic mass of X?A100 uB25 uC50 uD12.5 u Like 0 Discuss 0Share
Industrial ChemistryApoenzyme1320Choose the best answerIn a conjugated enzyme, the protein component that is inactive by itself is called the:ACofactorBCoenzymeCApoenzymeDProsthetic group Like 0 Discuss 0Share