Chemistry of HydrocarbonsGeneral Properties of Alkanes881Choose the best answerWhich statement about alkanes is false?ATheir carbon atoms are sp³ hybridized.BThey contain only σ bonds.CThey readily undergo electrophilic addition reactions.DThey are saturated hydrocarbons. Like 1 Discuss 0Share
Chemistry of HydrocarbonsPartial Reduction of Alkynes882Choose the best answer2-Butyne treated with Na/NH₃(l) gives:Acis-2-ButeneBtrans-2-ButeneCButaneD1-Butene Like 1 Discuss 0Share
SolidsCovalent-Network Solids883Choose the best answerDiamond is a:AHydrogen-bonded solidBIonic solidCCovalent-network solidDAmorphous solid Like 0 Discuss 0Share
Chemical EquilibriumPhysical Equilibrium884Choose the best answerWhich condition can represent a liquid–vapour equilibrium?AIce freezing in an open vesselBWater and its vapour present in a closed balloon at constant temperatureCWater boiling continuously in an open vesselDWater completely evaporating from an open dish Like 0 Discuss 0Share
StoichiometryGram-Atom and Mole Concept885Choose the best answerWhat mass is present in one gram-atom of Na?A13 gB23 gC1 gD1/23 g Like 0 Discuss 0Share