Fundamental Principles of Organic ChemistryNomenclature of Polyhydric Phenols961Choose the best answerThe IUPAC name of catechol is:ABenzene-1,2-diolBBenzene-1,3-diolCBenzene-1,4-diolDBenzene-1,2,3-triol Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species962Choose the best answerWhich pair of ions is not isoelectronic?AMn²⁺, Fe³⁺BFe²⁺, Mn²⁺CO²⁻, F⁻DNa⁺, Mg²⁺ Like 0 Discuss 0Share
Alcohols and PhenolsMechanism of Dehydration of Alcohols963Choose the best answerThe first step in acid-catalysed dehydration of an alcohol is:AFormation of a carbocationBProtonation of the –OH groupCRemoval of a β-hydrogenDAttack by OH⁻ Like 0 Discuss 0Share
SolidsGeneral Properties of States of Matter964Choose the best answerWhich statement about states of matter is correct?ALiquids and gases both possess viscosityBSolid particles move randomly throughout the entire solidCA gas cannot change directly into a solidDLiquids have no vapour pressure Like 0 Discuss 0Share
Atomic StructureValence Electrons965Choose the best answerAn atom has the electronic configuration: 1s² 2s² 2p⁶ 3s² 3p² How many valence electrons does it contain?A6B2C3D4 Like 0 Discuss 0Share