Chemistry of HydrocarbonsStructure of Benzene16Choose the best answerWhich statement about benzene is correct?AIts molecular formula is C₆H₆.BEach carbon atom is sp² hybridized.CAll six C–C bonds are equivalent in length.DAll of these Like 0 Discuss 0Share
Chemistry of HydrocarbonsPhysical States of Hydrocarbons17Choose the best answerAccording to the approximate textbook physical-state ranges used for these homologous series, which sequence is correct?AAlkanes: C₅–C₁₇; Alkenes: C₅–C₁₅; Alkynes: C₅–C₁₂BAlkanes: C₅–C₁₂; Alkenes: C₅–C₁₅; Alkynes: C₅–C₁₇CAlkanes: C₅–C₁₇; Alkenes: C₅–C₁₂; Alkynes: C₅–C₁₅DAll three series have exactly the same liquid range Like 0 Discuss 0Share
Chemistry of HydrocarbonsHydration of Alkynes18Choose the best answerEthyne on hydration in the presence of HgSO₄/H₂SO₄ ultimately gives:AEthanolBEthanalCEthanoic acidDEthene Like 0 Discuss 0Share
Chemistry of HydrocarbonsKolbe's Electrolysis of Dicarboxylate Salts19Choose the best answerKolbe's electrolysis of an unsaturated dicarboxylate salt can mainly give:AAlkaneBAlkeneCAlkyneDAlcohol Like 0 Discuss 0Share
Chemistry of HydrocarbonsPreparation of Alkanes by Decarboxylation20Choose the best answerMethane can be prepared by heating sodium acetate with:ANaOH onlyBCaO onlyCSoda lime, NaOH + CaODNa₂CO₃ Like 0 Discuss 0Share