Chemical KineticsAverage Rate of Reaction6Choose the best answerThe concentration of a reactant decreases from 0.20 mol dm⁻³ to 0.10 mol dm⁻³ in 10 min. Its average rate of disappearance is:A0.01 MB2 × 10⁻² mol dm⁻³ min⁻¹C0.01 mol dm⁻³ min⁻¹D1 mol dm⁻³ min⁻¹ Like 0 Discuss 0Share
Chemical KineticsRate of Reaction and Stoichiometric Coefficients7Choose the best answerFor the reaction 3A + B → C + D, the rate of reaction is:A−(1/3)d[A]/dt = −d[B]/dt = d[C]/dt = d[D]/dtB−d[A]/dt = −d[B]/dt = d[C]/dtC+(1/3)d[A]/dt = d[C]/dtD−d[A]/dt = −d[B]/dt = d[C]/dt = d[D]/dt Like 0 Discuss 0Share
Chemical KineticsDetermination of Rate Law8Choose the best answerDoubling [A] makes the rate four times larger, while doubling [B] makes it twice as large. The rate law is:ARate = k[A][B]BRate = k[A]²[B]CRate = k[A]²[B]²DRate = k[A][B]² Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Activation Energy#Chemical Kinetics9Choose the best answerReactions having high activation energy are generally: (SZABMU MDCAT 2025)ASpontaneousBFastCSlowDAlways exothermic Like 2 Discuss 0Share
Chemical KineticsInhibitors and Reaction Rate10Choose the best answerEthyl alcohol is commonly added as a stabilizer to inhibit the oxidation of:APotassium chlorateBChloroformCH₂O₂DSodium chloride Like 0 Discuss 0Share