Stoichiometry Stoichiometry MCQS#Formula Unit106Choose the best answerFor an ionic compound such as NaCl, the smallest representative unit is called:AMoleculeBFormula unitCAtomDMole Like 0 Discuss 0Share
StoichiometryPercentage Composition by Mass107Choose the best answerWhat is the percentage of carbon by mass in CaCO₃?A6%B12%C40%D48% Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Planarity108Choose the best answerIn which molecule are all atoms coplanar?ACH₄BNH₃CBF₃DPH₃ Like 0 Discuss 0Share
Aldehydes and KetonesIUPAC Nomenclature of Ketones109Choose the best answerWhich structure corresponds to 1-phenylpropan-2-one?AC₆H₅COCH₂CH₃BC₆H₅CH₂COCH₃CC₆H₅CH(CH₃)CHODC₆H₅CH₂CH₂CHO Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Common and IUPAC Names110Choose the best answerWhich pair of structure and common name is correctly matched?ACH₂=CH–C≡CH → Allyl acetyleneBCH₂=CH–CH₂–C≡CH → Allyl acetyleneCCH₂=CH–C≡C–CH=CH₂ → Vinyl acetyleneD(CH₃)₃C–C≡CH → Isobutyl acetylene Like 1 Discuss 0Share