Chemical BondingMolecular Geometry and Planarity1481Choose the best answerWhich molecule is not planar?ABenzeneBFormaldehydeCBF₃DPropane Like 0 Discuss 0Share
Chemistry of HydrocarbonsOxidative Cleavage of Alkynes1482Choose the best answerPropyne, CH₃C≡CH, on oxidative ozonolysis gives:AEthanoic acid and CO₂BEthanoic acid and methanoic acid onlyCEthanoic acid and methanolDTwo molecules of ethanoic acid Like 1 Discuss 0Share
ElectrochemistryOxidation and Reduction1483Choose the best answerIn 10Cl⁻ + 16H⁺ + 2MnO₄⁻ → 5Cl₂ + 2Mn²⁺ + 8H₂O, which statement is correct?AMn is oxidized from +7 to +2BCl is reduced from 0 to −1CCl⁻ is reduced from −1 to 0DMn is reduced from +7 to +2 Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Anomalous Behaviour of First Elements#S- and P-Block Elements1484Choose the best answerWhich pair of elements markedly differs from other members of the respective groups? (MDCAT 2023)APotassium and CalciumBSodium and MagnesiumCCaesium and BariumDLithium and Beryllium Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryChain Isomerism1485Choose the best answerThe minimum number of carbon atoms required for chain isomerism in alkanes is:A2B3C4D5 Like 0 Discuss 0Share