Chemical KineticsZero-Order Reactions716Choose the best answerA reaction for which Rate = k is:AFirst orderBSecond orderCThird orderDZero order Like 0 Discuss 0Share
StoichiometryMass–Volume Stoichiometry717Choose the best answerWhat volume of CO₂ at STP (273 K and 1 atm) is produced by complete combustion of 7 g C₂H₄? C₂H₄ + 3O₂ → 2CO₂ + 2H₂OA44.8 dm³B22.4 dm³C11.2 dm³D5.6 dm³ Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Aldehydes and Ketones#Preparation of Ketones718Choose the best answerDry distillation of which of the following can be done to produce acetone? (MDCAT 2023)ACalcium acetateBCalcium formateCEthyl acetateDAcetic acid Like 0 Discuss 0Share
Chemical BondingMolecular Orbital Theory and Magnetic Behaviour719Choose the best answerLiquid oxygen is:ADiamagneticBParamagneticCFerromagneticDNon-magnetic Like 0 Discuss 0Share
Chemistry of HydrocarbonsOxidation of Alkenes with KMnO₄720Choose the best answerAn alkene treated with cold, dilute alkaline KMnO₄ gives mainly:AA vicinal diolBAn alkaneCAn alkyl halideDAn aldehyde Like 2 Discuss 0Share