Chemistry of HydrocarbonsMechanism of Electrophilic Aromatic Substitution2446Choose the best answerThe intermediate formed after electrophilic attack on benzene is called:ACarbanionBArenium ion or σ-complexCFree radicalDAcetylide ion Like 1 Discuss 0Share
LiquidsLondon Dispersion Forces2447Choose the best answerThe boiling points of halogens generally increase from F₂ to I₂ because:AHydrogen bonding increasesBDipole–dipole forces increaseCLondon dispersion forces become strongerDIonic character increases Like 0 Discuss 0Share
Chemical EquilibriumEffect of Pressure on Physical Equilibrium2448Choose the best answerFor the equilibrium ice ⇌ liquid water, increasing pressure favours:AFormation of more liquid waterBFormation of more iceCNo changeDDecomposition of water Like 0 Discuss 0Share
Chemistry of HydrocarbonsPhysical Properties of Alkanes2449Choose the best answerWhich C₆H₁₄ isomer has the highest boiling point?A2,2-DimethylbutaneB2,3-DimethylbutaneCn-HexaneD2-Methylpentane Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Planarity2450Choose the best answerWhich molecule or ion is non-planar?ABH₃BSO₃CNF₃DCO₃²⁻ Like 0 Discuss 0Share