KMU MDCAT 2024 Chemistry#Chemical Kinetics#Rate Constant2771Choose the best answerFor a first order reaction A → B, the rate constant is 0.0458 s⁻¹. Calculate rate of the reaction if the concentration of reactant is 0.35 mol dm⁻³. (KMU MDCAT 2024)A0.012 mol dm⁻³ s⁻¹B0.014 mol dm⁻³ s⁻¹C0.016 mol dm⁻³ s⁻¹D0.018 mol dm⁻³ s⁻¹ Like 1 Discuss 0Share
StoichiometryMass–Volume Relationship2772Choose the best answerWhat is the mass of 112 cm³ CH₄ at STP (273 K and 1 atm)?A1.6 gB0.8 gC0.08 gD0.16 g Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Chemistry of Hydrocarbons#Ozonolysis of Alkenes2773Choose the best answerWhat products are formed by ozonolysis of propene?AAcetic acid and formic acidBAcetaldehyde and formic acidCEthanal and methanalDPropanone Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryWöhler Synthesis and Rejection of Vital Force Theory2774Choose the best answerWhich equation represents Wöhler's synthesis of urea?ANH₄OCN → NH₂CONH₂BCH₄ + Cl₂ → CH₃Cl + HClCC₂H₅OH → C₂H₄ + H₂ODCaCO₃ → CaO + CO₂ Like 0 Discuss 0Share
Industrial ChemistryEffect of pH on Enzyme Activity2775Choose the best answerWhich combination is correctly matched?APepsin — Basic mediumBTrypsin — Acidic mediumCPepsin — Acidic mediumDSalivary amylase — Extremely acidic medium Like 0 Discuss 0Share