Carboxylic AcidsReactivity of Carboxylic Acid Derivatives421Choose the best answerThe correct decreasing order of reactivity toward nucleophilic acyl substitution is:AAcyl chloride > Acid anhydride > Ester > Carboxylic acidBEster > Acid anhydride > Acyl chloride > Carboxylic acidCCarboxylic acid > Ester > Acid anhydride > Acyl chlorideDAcid anhydride > Acyl chloride > Ester > Carboxylic acid Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryPositional Isomerism422Choose the best answerWhich pair represents positional isomerism?APentane and 2-MethylbutaneBBut-1-ene and But-2-eneCEthanol and Dimethyl etherDPropanone and Propanal Like 0 Discuss 0Share
StoichiometryMole–Volume Stoichiometry423Choose the best answerHow many moles of Mg are required to produce 11.2 dm³ H₂ at STP (273 K and 1 atm)? Mg + 2HCl → MgCl₂ + H₂A1 molB2 molC0.5 molD0.25 mol Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Molecules424Choose the best answerWhich sample contains the greatest number of molecules?A2 mol H₂B4 mol CH₄C6 mol SO₂D10 mol O₂ Like 0 Discuss 0Share
LiquidsHydrogen Bonding425Choose the best answerHydrogen bonding is NOT responsible for the characteristic properties of:AIceBHFCCsFDGlucose Like 0 Discuss 0Share