Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Pressure and composition only Pressure, temperature and composition Pressure and temperature only Temperature and composition only Pressure and composition only Pressure, temperature and composition Pressure and temperature only Temperature and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From among the following, choose one which is not an exothermic process. Ammonia synthesis Oxidation of sulphur Methanol synthesis Catalytic cracking Ammonia synthesis Oxidation of sulphur Methanol synthesis Catalytic cracking ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If ΔG (free energy change) for a chemical reaction is very large and negative, then the reaction is Unpredictable as ΔG is no measure of feasibility of a reaction Just feasible Very much feasible Not feasible Unpredictable as ΔG is no measure of feasibility of a reaction Just feasible Very much feasible Not feasible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to The intrinsic activation energy E ED/2 (E + ED) where ED is activation due to diffusion (E + ED)/2 The intrinsic activation energy E ED/2 (E + ED) where ED is activation due to diffusion (E + ED)/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? All of these Pore diffusion Form of surface attack by poison Decay reactions All of these Pore diffusion Form of surface attack by poison Decay reactions ANSWER DOWNLOAD EXAMIANS APP
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