StoichiometryMole Concept and Specified Particles521Choose the best answerWhich sample contains exactly 1 mol of the stated particles?ACl₂ molecules in 35.5 g Cl₂BElectrons in 1.008 g H₂CH⁺ ions in 1 dm³ of 1 mol dm⁻³ H₂SO₄DO atoms in 22.4 dm³ O₂ at STP Like 0 Discuss 0Share
StoichiometryPercentage Composition and Molecular Mass522Choose the best answerA compound contains two carbon atoms per molecule and is 40% carbon by mass. Its molecular mass may be:A40 uB60 uC80 uD90 u Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alkanes#Chemistry of Hydrocarbons523Choose the best answerUnder suitable conditions alkanes cannot undergo ...............reactions? (UHS MDCAT 2023)ASubstitutionBCombustionCCrackingDAddition Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Lipids#Macromolecules524Choose the best answerQ.119 Catalytic hydrogenation of oil gives:AAlkeneBAlkyneCSoapDFat Like 0 Discuss 0Share
Chemistry of HydrocarbonsGeometrical Isomerism and Alkene Stability525Choose the best answerBetween cis-2-butene and trans-2-butene, the more stable isomer is:Acis-2-ButeneBtrans-2-ButeneCBoth are equally stableDcis-2-Butene only at all temperatures Like 0 Discuss 0Share