MDCAT Chemistry Past Papers Reconduct 2023#Chemical Kinetics#Reaction Rate41Choose the best answerIn reaction A → B, the rate of disappearance is best represented by: (MDCAT Reconduct 2023)A-dA/dtB-dAB/dtC-dB/dtDdB/dt Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Alkynes#Chemistry of Hydrocarbons42Choose the best answerAcetylene forms benzene when passed through a red-hot tube made of: (MDCAT Reconduct 2023)AIronBNickelCPalladiumDPlatinum Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Aldehydes and Ketones#Tollens' Test43Choose the best answerTollens’ reagent is prepared by dissolving which precipitate in aqueous ammonia? (MDCAT Reconduct 2023)AAgClBAg₂CO₃CAgOHDAg₂O Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Percentage Composition#Stoichiometry44Choose the best answerWhat is the approximate percentage of oxygen in water by mass? (MDCAT Reconduct 2023)A33.33%B20.00%C88.88%D11.11% Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Chemical Equilibrium#Dynamic Equilibrium45Choose the best answerWhich statement describes the condition at equilibrium? (MDCAT Reconduct 2023)ABackward reaction rate is greater than the rate of forward reactionBForward and backward reactions ceaseCForward reaction rate equals the rate of backward reactionDForward reaction rate is greater than the rate of backward reaction Like 0 Discuss 0Share