Chemistry of HydrocarbonsStructure and Hybridization of Alkanes331Choose the best answerWhich statement about ethane is false?AEach carbon atom is sp³ hybridized.BThe geometry around each carbon atom is tetrahedral.CThe C–C bond length is approximately 1.54 Å.DIt contains six sp³–sp³ σ bonds. Like 2 Discuss 0Share
Chemical BondingSigma Bonds332Choose the best answerThe total number of electrons present in σ bonds of ethene, C₂H₄, is:A5B10C4D8 Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryFunctional Groups333Choose the best answerWhich matching of functional groups with their classes is correct? (1) R–X (2) R–O–R (3) R–NH₂ (4) R–SHA1–Haloalkane, 2–Ether, 3–Amine, 4–ThiolB1–Ether, 2–Haloalkane, 3–Thiol, 4–AmineC1–Amine, 2–Ether, 3–Haloalkane, 4–ThiolD1–Haloalkane, 2–Thiol, 3–Amine, 4–Ether Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryFunctional Isomerism334Choose the best answerWhich pair represents functional isomers?ACH₃COCH₃ and CH₃CH₂CHOBCH₃CH₂OH and CH₃CH₂OHCCH₃CH₂CH₂OH and CH₃CHOHCH₃DPentane and Isopentane Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms335Choose the best answer0.5 mol H₂O contains:A0.5 mol H atomsB22.4 dm³ OCNA H atomsD2 mol atoms Like 0 Discuss 0Share