Carboxylic AcidsCarboxylic Acids and Carboxylate Ions2391Choose the best answerWhy are carboxylic acids more susceptible to nucleophilic attack than carboxylate ions?ACarboxylate ions contain a weaker C=O bond.BThe negative charge in a carboxylate ion is delocalized, reducing the electrophilicity of the carbonyl carbon.CCarboxylic acids contain two oxygen atoms.DCarboxylate ions are stronger acids. Like 0 Discuss 0Share
Gasesvan der Waals Pressure Correction2392Choose the best answerFor n moles of a real gas, the van der Waals pressure-correction term is:Aan²/V²BnbCRTDPV/n Like 0 Discuss 0Share
Chemical BondingVSEPR Theory2393Choose the best answerAccording to VSEPR theory, a central atom with three bond pairs and no lone pair has:ALinear geometryBTrigonal planar geometryCTetrahedral geometryDTrigonal pyramidal geometry Like 0 Discuss 0Share
Chemical EquilibriumActive Mass2394Choose the best answerAccording to the source concept, the rate at which substances react depends on their:AAtomic massesBMolecular massesCEquivalent massesDActive masses Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Alkenes#Chemistry of Hydrocarbons2395Choose the best answerWhich reagent can distinguish a terminal alkyne from an alkene?ABromine waterBAcidified KMnO₄ solutionCConcentrated H₂SO₄DAmmoniacal AgNO₃ solution Like 0 Discuss 2Share