XIIMDCAT Chemistry Test#Carboxylic Acids#Reduction of Esters306Choose the best answerComplete reduction of ethyl ethanoate with LiAlH₄ produces which product?ATwo molecules of secondary alcoholBAn alcohol and an aldehydeCTwo molecules of ethanolDAn alcohol and a ketone Like 0 Discuss 0Share
Alcohols and PhenolsClassification of Alcohols307Choose the best answerWhich of the following is a tertiary alcohol?AButan-1-olBPropan-1-olC2-Methylpropan-2-olDEthanol Like 0 Discuss 0Share
Chemical KineticsReaction Mechanism and Intermediates308Choose the best answerFor the mechanism: Step 1: 2NO₂ → NO₃ + NO Step 2: NO₃ + CO → NO₂ + CO₂ Which species acts as an intermediate?ANO₂BNO₃CCODCO₂ Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Bond Energy#Chemical Bonding309Choose the best answerEnergy changes in chemical reactions are mainly due to:ABond formationBBond breakageCBond formation and breakageDIonic bonds Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Reversible Reactions310Choose the best answerFor N₂(g) + 3H₂(g) ⇌ 2NH₃(g), what does the reverse reaction represent?AFormation of NH₃ from N₂ and H₂BDecomposition of NH₃ into N₂ and H₂CFormation of N₂ from NH₃ onlyDConversion of H₂ into NH₃ Like 0 Discuss 0Share