StoichiometryLimiting Reagent3136Choose the best answer28 g N₂ reacts with 6 g H₂: N₂ + 3H₂ → 2NH₃ Which is the limiting reagent?AN₂BH₂CNH₃DNeither reactant Like 0 Discuss 0Share
Periodic TableIsoelectronic Species and Ionic Radius3137Choose the best answerO²⁻, F⁻, Na⁺ and Mg²⁺ are isoelectronic. Their radii decrease in the order:AMg²⁺ > Na⁺ > F⁻ > O²⁻BO²⁻ > F⁻ > Na⁺ > Mg²⁺CF⁻ > O²⁻ > Mg²⁺ > Na⁺DO²⁻ > Na⁺ > F⁻ > Mg²⁺ Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Geometrical Isomerism#Isomerism3138Choose the best answerConsider these statements about geometrical isomerism: I. Rotation about a C=C bond is restricted. II. Each double-bonded carbon must have two different substituents. III. Both substituents on each double-bonded carbon must be identical. IV. Geometrical isomers have the same connectivity but different spatial arrangements. Which combination contains only correct statements?AI and II onlyBI, II and IV onlyCII, III and IV onlyDI, III and IV only Like 2 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Liquids#Viscosity3139Choose the best answerWhat property does viscosity measure in liquids? (MDCAT Reconduct 2023)ASurface tensionBResistance in flowCDensityDVolume Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Critical Temperature#Liquids3140Choose the best answerWhat term describes the temperature at which a gas can exist as a liquid at its highest temperature? (MDCAT Reconduct 2023)ACritical temperatureBCondensation temperatureCMelting temperatureDBoiling temperature Like 0 Discuss 0Share